A 500-GB SSD is ~$400 which is pretty pricey for an upgrade to an old system, on top of costs for added RAM, 64-bit OS, and possibly upgraded CPU and video card. Find the service tag (a seven digit code of letters and numbers) written on a sticker on the back or. Exact same specs as the shipped version, but the system will not accept it and will not boot. The upgraded system was a Dell 755 MT. This video shows St. 1. Dell Optiplex 755 RAM issues. I'm wondering which ddr 2 companies' RAM work well with my computer, if someone has the same computer it would be great to hear what. I'm wondering which ddr 2 companies' RAM work well with my computer, if someone has the same computer it would be great to hear. 6 Based on Dell internal analysis using publicly available specs in August 2023 comparing maximum. When setting up, Dell recommends that you: Connect to a network for Windows updates. These have Dell extra features like ambient temperature sensors, and 4 led diagnostic displays. Thanks! I have this problem too (0) Reply. - RAM tests include: single/multi core bandwidth and latency. Maximum Graphics Memory on Windows® 10: Intel® UHD Graphics: Limited by OS to one-half of System Memory: Intel® Iris® Plus Graphics: Limited by OS to one-half of System Memory: Intel® UHD Graphics 620/630: Limited by OS to one-half of System Memory: Intel® UHD Graphics 600/605: Limited by OS to one-half of System. Motherboard: Dell OptiPlex 7010. NA / NA / NA / NA. , whats the max i can go and what are the specs ? i have Hynix 4GB DDR2 667 MHz PC2-5300F ECC 2Rx4 CL5 1. Aurora R4, computer won’t boot with Intel Xeon E5 2697 v2 in LGA2011 socket. Add to Cart. Intel® Q965 (ICH8) Express Chipset. I currently have them all "maxed" out at 8GB RAM apiece, which is the listed maximum for each. Some compatible GPU's: 30w GT 1030 GDDR5. Thanks to Dell’s innovative approach to scalable remote client management, the OptiPlex 755 offers you a choice between several systems-management options. 2 slot supports 4X. Genuine A-Tech Brand. Architecture: 64-bit operating system, x64-based processor. Yes. It has 4 Ram slots (2 Banks of 2) and each can take 8Gb of Ram. 1x 4HP13. Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Intel Evo, Intel Optane, Iris, Itanium, MAX, Pentium. Both the 755 and 760 run the same processors. The 745 appears to use either the Q963 or Q965 chipset, while 755 uses either the G31 or G33. Do all the RAM chips match in size, speed, and brand name? Couple of things to rule out there before it can be asserted if it's RAM or MB. Optiplex Desktops. My Computer Subscribe to Thread. Is it possible to upgrade my Q6600 cpu to a Q9550 / Q9650? I know that there is no Q9550/Q9650 on the Compatibility list, but i've seen somebody putting that CPU. 99. Find compatible Memory (RAM) for your Dell device - Optiplex Desktops. Intel Celeron 430 (1. 66GHz (2 CPUs), ~2. 2 slot supports 4X. The Dell OptiPlex 755 offers enhanced management and control with Intel ® vPro TM processor technology, allowing IT staff excellent flexibility, high efficiency and reduced desk-side troubleshooting. Another one unsupported by Dell for the 755 - core 2 quad Q9650. N652J 3. OptiPlex 160L. Unsolved. I have got a Dell Optiplex 755 SFF, and i'd like to change all of my hardwares, to the best components what i can use. Maximum internal drives supported : Drive configurations supported (max) PCIe lanes : Parts needed to install a M. Upvote 1 Downvote. It is the latest version of synchronous dynamic random-access memory (SDRAM). Where to buy. Dear Dell Users. Apr 5, 2013. When I inserted them, I was greeted with a series of beeps, and a system that would not boot. 3. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. 0Ghz. It hung on the "Starting Windows" section of the install. 376 / 11. FREE & FAST DELIVERYShop for Desktop Computers in Canada at Memory Express with a large selection of All-In-One Computer, Barebone Computer, Business Computer, Gaming Computer, Home. I have an Optiplex 380 with 2 RAM slots which was listed as 4GB cpacity and I'm running 2x4GB=8GB DDR3 just fine. It needn’t be a high paid position (The CEO could give up 1% of his yearly pay/bonuses to fund the department and give some deserving people an 8$/hr job. After clarification as to the model Optiplex you have, we'll be able to assist further. compare. But Dell never tested the 755 with higher than 8GB RAM. Visit the A-Tech Store. 4. BIOS. Dell Latitude 3570 Win 11 i5 8GB 200GB SSD 15. (PC2-5300U) 667mhz. 5783 05-02-2017 18:00 PM upgrading RAM on OptiPlex 755 with 0GM819 motherboard Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard. 0. 64bit Windows 7 ultimate (toying with a win 10 Pro ssd upgrade) 2 x 2gb ddr3-1066 sdram. OptiPlex 755 User's Guide - iAMT. Shop Amazon for A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM. I have two Optiplex 755 SFF running VMware ESX 4. 1: power off. Crucial's site has you enter the PC model. I added 250 gb hard drive 2gb memory and a E8400 Dual Core processor. 0. Having more USB ports is always handy and beneficial, as it will allow you to connect more. My Optiplex 755 (desktop) came with 2 1Gb 800MHz sticks and I'd like to add another 1Gb, i. Base GPU Frequency. 10GHz 3. 89. Even if the BIOS update is from 2007 like mine. Maximum Memory: 4GB: Maximum Memory Per Slot: 2GB: SSD Form Factor: 2. Q9500 - Almost as cheap as dirt. com says 16GB for the SFF and they guarantee their kits to work. Thank u for reply So what kind Of Ram Matches this computer ? i see some people using a 12gb ram In dell755 KVR800D2N5K2/4G is HIGH Density Ram. Dell Support Driver and Downloads not offering manual downloads for my XPS 8940. Its owner had not used in years, I recently booted it up for the first time (after many years, probably, considering the CMOS battery had died) and it's running Windows 7 x64. The specs for Optiplex 755 Desktop comes in these configurations with a retail price tag. Late in its life it did get VISTA WDDM 1. Rp375. 19-11-2012 09:00 AM. Memory. 18. upgrading RAM on OptiPlex 755 with 0GM819 motherboard. then ,a. The computer is a BTX form factor so aftermarket parts aren't actually made to fit. I previously owned a Dell Dimension E521 that consisted of a AMD Athlon 64 5000+, 4 GB of RAM, and a HD 6670. I have decided to expand the ram and I plugged in free slot available new memory, Transcend ram 4GB 1rx8 ddr3 1333u. I really don't know that you'll notice a difference in RAM speed between 667MHz and 800MHz simply using the PC. Unless you bought it already, I suggest A-Tech RAM. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade. 3. Enter model or choose from the list below. - RAM: 16GB (8x2GB) @ 5200Mhz - Storage: 1TB NVMe SSD, 1TB MicroSD- Display: 1200p@120Hz Dell Poweredge R720 (Server):- CPUs: 2x Xeon E5-2697v2 @ up to 3. 4. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. #1. You'll get MUCH WORSE performance. It has a 275W power supply, 8GB of RAM at 800mhz, BIOS updated to A22, 500GB of SATA Hard Drive and has a Core 2 Quad Q8400 processor at 2. DELL™ OPTIPLEX™ 760 TECHNICAL GUIDEBOOK V1. Model Comments: Machine name: Dell Optiplex 755 MiniTower CPU options: - Intel Core 2 Quad (1066MHz FSB) - Intel Core 2 Duo (1333MHz FSB) - Intel Core 2 Duo (800MHz FSB) - Intel Pentium (800MHz FSB) - Intel Celeron (800MHz FSB) Chipset: Intel Q35 Express Chipset HD Bus: SATA II (7200RPM) Front. I wanted to add just a small SSD as a boot drive and keep the HDD for storage, but it is a SFF and that HDD in that big tray with a fan takes up a ton of room. com SearchEl equipo OptiPlex 755 soporta memorias DDR2 SDRAM de 667 o 800 MHz, para que el ordenador reconozca los 8 GB de memoria, es necesario que el equipo tenga instalado un sistema operativo que trabaje a 64 bits. 0 (6Gb/s) Show full device specification. 15,010. Posts / Dell Community /. OptiPlex 170Ln. It might not be obvious to you yet, but it's pretty obvious the 755 can't take i7's, AMD Ryzen, and etc. just replaced 2x512mb memory and purchased 4x1gb (max for four slots) ddr2, PC2-. Unless you bought it already, I suggest A-Tech RAM. Then we started Windows, only 256MBs of Ram out of the 8GBs was available (the OS told us). Products;. I want to extend the memory to maximum Can anybody clearify this Statement from the product brief: "Delivers up to 12. Optiplex's 755, 790, 7010. 35 V operation for memory. Your OptiPlex 755 supports these operating systems: Change Product. 5" (SATA) SSD Interface: SATA 3. Dell Optiplex 755 SFF RAM upgrade problem. There are 2 slots so you can put 4GB in each of the slots. Guided selection of your system. I also checked the Crucial memory selector as the memory suppliers often know more about memory requirements than Dell publishes, but they too say the 2 GB is the max. Optiplex 755 Manual. 11 Posts. OptiPlex 210L OptiPlex 210Ln OptiPlex 3000 Micro OptiPlex 3000 SFF OptiPlex 3000 Tower OptiPlex 3010 Desktop OptiPlex 3010 Mini Tower OptiPlex 3010 Small Form Factor OptiPlex 3011 All-in-One. I have a upgraded version of the dell inspiron 3511 where i have 8 gb of ddr4 ram, i was going to upgrade that to 16 in the near future but dont know if. OptiPlex™ 755 system supports up to 8 GB of memory with a 64 bit operating system and up to 4 GB of memory with a 32 bit operating system. The Dell OptiPlex 755 offers enhanced management and control with Intel® vPro™ processor technology, allowing IT staff excellent flexibility, high efficiency and reduced desk-side troubleshooting. Guaranteed Compatible with Dell Optiplex 755. My Optiplex 755 Gaming / HTPC setup is now complete. 48 delivery Mon, Jul 10. cannot be used by computer memory; therefore, the amount of memory availab le to the operating system is less than 4GB. 33 GHz, 6 MB Cache. It has a E2160 1. BTW, some will tell you the page file will wear your drive faster, technically correct, practically irrelevant. #3. The latest BIOS for your 755 is A22. Learn how to run a hardware diagnostic test, download, and install drivers and more. Max Dimm size for this model is LOW Density INTEL compatible Ram 2 gig modules. responsiveness and support of 64-bit computing" DELL™ OPTIPLEX™ 755 The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. 5. Safely scan your system for max upgrade options. 6 Professor. Dell OptiPlex 755 Small Form Factor [SFF] Desktop Memory RAM & SSDs. I used the specs as specified in the manual to purchase Crucial DDR5 CT2K16G48C40U5. 5-inch internal SSD • SATA 6. XPS Desktops. good day! I have a DELL optiplex 755 SFF PC. 1,510. Low Cost Delivery Low Prices 100% Safe & Secure. Unsupported certainly doesn't always mean not working. 30w-47w Quadro's P400, 600, & 1000. $3727. Maximum Memory: 8GB Slots: 4. The manuals all direct me to a label on the chassis, and there is one for Vista, but not XP. N650J 2. $50. ANY GX620 will be better and faster than a GX150. The only way I know to fix it if you want to pursue it is to return the RAM you just bought. sub zero. Dell ships non-ECC 184 pin SDRAM memory only. Eligible for Return, Refund or Replacement within 30 days of receipt . Download Dell Optiplex 755 Broadcom LAN Driver - Network Card. 89 $ 64 . Plus, an all-new display. . System Model OptiPlex 755. Manufacturers. This system rating = 2134, 2D=482, 3D=1872- quite. 93 GHz, BIOS is A16 8/16/2013, installed memory is 4GB. ? o tendré complicaciones, como le aumento la memoria Ram. We always send matched modules, when you order 2 or more. -. Checking Passmark Performance Test baselines, the highest rated system uses a Core2 Quad Q9650 - 4-cores and 3. Or fastest delivery Nov 7 - 8 . Os módulos de memória suportados 256 MB, 512 MB, 1 GB, 2 GB ou 4 GB não-ECC4GB. OptiPlex 755 Advanced REMOTE IT Management Dell OptiPlex 755 offers enhanced management and control with Intel® vPro™ processor technology, giving IT staff excellent flexibility, high efficiency, and reduced desktop-side troubleshooting. If you have 4. Purchased copy of OS/X 10. OptiPlex XE Technical Guidebook Page 2 OVERVIEW . I recently purchased a new Dell Optiplex 755 with an E6750 2. Re: Optiplex 755 sff 280PSU low profile graphics card. Get the lowest price deals on Amazon, and eBay. Also, some Mobo's particularly OEM and other lower quality ones, often do not like having all the RAM slots filled. Select the department you want to search in. Dell Optiplex 960. This system supports 8GB (2 Dimms) of DDR3. Hello, I'm planning to upgrade my OptiPlex 755. Specs say that a Core2Quad Q8200 isn't supported, but I have one running in my 755 right now. 22. 25 Gig of ram with the rest stolen by Video Frame Buffer and the memory map for Bios. ) - it is much slower than when first purchased. I also have an Optiplex 790 DT; Win 7 32-bit; i3-2100; 250 GB HDD; 4GB RAM. 25-03-2011 13:00 PM. Maximum Memory Per Slot: 2GB: SSD Form Factor: 2. I also tried other brand (Kingston with. 35V operation for memory. Aims to increase memory bandwidth while keeping power consumption low in comparison with its predecessor,. 731 / 6. Why does crucial recommend a higher maximum ram limit for my system than the system manufacturer? At Crucial®, we ensure that the higher amount of RAM is rigorously. When I start it up I get the Dell screen and able to select F2 setup and get into the bios setting. Officially, (according to the Dell Technical Guide Book for the Optiplex GX 755) the max CPU and RAM are: Intel Core 2 Quad Q6700 Processor (2. Depending on how much RAM you need, if you have any RAM heavy apps, 7020 has max listed RAM @ 16GB and 9020 @ 32GB. 8GB KIT (4 x 2GB) for Dell Optiplex 740 745 745c 755 DT/MT/SFF 755. I have multiples of the Optiplex 755 and XPS 420's- They're great little machines for virtualization. It's an Optiplex 755 SFF with windows 10 64bit, so I'm going with 8GB ram (2 x 4), an SSD in place of the old HDD. 5 x the total memory. Dell Desktops / Dell 755. So my system has the following: A07 bios installed. 4. Memory 12 Drives and Removable Storage 13. How much memory does the Dell Optiplex 755 Mini Tower Computer take?. Going one step further Crucial RAM states that 64GB of RAM total is compatible as per their site here. 29-08-2020 12:00 PM. DELL™ OPTIPLEX XE . Something like 0. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Pre-Installed with Windows 7 Professional, Upgraded to Windows 10 Pro, & upgraded to Windows 11. Dell Optiplex Desktops Support Forum. Power enterprise. Can someone confirm the RAM capacity of an Optiplex GX 280?. I do have a PCI-E slot in that computer and AGP. the maximum supported Cpu is a q9650. 0. 5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E1T0B/AM. 2: M. 3 :. Read more. Dear Dell Users. My current specifications are as follows: CPU - Intel Core2 Duo E6550 @ 2. 4. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Ultra Small Form Factor) - FREE US Delivery. These are the Quads we validated -. 1GB Memory Upgrade for Dell OptiPlex 755 DDR2 PC2-5300 667MHz Desktop Non-ECC DIMM RAM (PARTS-QUICK Brand) $699. The supported RAM configurations are: 2 GB, 4 GB, 6 GB, 8 GB, and 16 GB. 50 $ 13 . Max Memory. The 95W CPU limit keeps the Extremes out, and I even tried a 75W X6800 in another Dell and it wouldn't run either. vendor Dell Inc. RAM. The latest, the Dell OptiPlex 7760 All-in-One (starts at $1,289; $1,983 as tested), continues Dell's dominant run of AIO business desktops. Alright, so a couple of days ago I picked up a Dell Optiplex 755 from a library for a mere $3. CPU; Core i5-3470 Intel $149 Bench 63%, 223,595 samples:. Personally I would go with ddr3 because the 8 gb sticks are. If you are using a 64-bit operating system, your computer will support a maximum of 8 GB (2-GB DIMMs in each. pretty simple way to make a fast computer even faster. 3 Posts. Max memory for Optiplex 780. Description Values. Aug 28, 2018. try this called a hard power reset. But the Dell optiplex 755 SFF comes with only a 275 Watt power supply. GX620= Pentium D or Pentium4 with 4 GIGS max DDR2 RAM = $100 or less in many places. version A08 date 02/19/2008 ROM size 4096 KB DMI System Information manufacturer Dell Inc. 8 Specifications of OptiPlex 5000 Small Form Factor Better yet, the memory manufacturers could supply free memory to Dell and one to four people could sit in a room filled with current Dell machines and test the modules for compatibility. I have an Optiplex 760 x-64 running Win10 Pro that's using up 71-85% of memory with minimal applications (email, Adobe Reader, Win Office, etc. 0 GHz, 12 MB Cache, or up to 2-core Intel Core 2 Duo E8600, 3. Also read up on pagefile. $37. I have a Nvidia Geforce GT220 video card, which is a low profile video card, it can consume the maximum of 58 W, and this video card requires at least 300 W works without problems. Maximum System Memory (uses 2GB DIMMS) 8GB1 8GB1 8GB1 4GB1 800MHz Memory configurations 8GB1 DDR2 Non-ECC SDRAM, 800MHz, (4 DIMM) X X XFull system specifications are as follows: Dell Optiplex 755 Desktop, Intel Core 2 Duo E4600, 8GB DDR2-667, Samsung SP2004C 200GB hard drive, XFX AMD Radeon R7 240 2GB (low profile), Generic NEC VGA 1280x1024 display, Samsung Q1 USB Keyboard because it's the only USB keyboard I have. Memory modules supported. In fact, I think all three can run the Core 2 Quad, which would be the preferred CPU. 9GHz Processor, 4GB Memory, 160GB Hard Drive, DVD, Windows 10, WiFi (Renewed)'] Dell Optiplex 780 SFF Desktop PC - Intel Core 2 Duo 3. DDR5 stands for double data rate 5, a type of RAM memory. RAM Upgrades Overview | OptiPlex 755 with CompuRAM max up to 8GB . (B450M PRO-VDH MAX) Motherboard. Intel® CoreTM 2 Duo 1066MHz FSB Socket T with Dual Core technology XD, EM64T, 2MB and up to 4MB L2 cache, EIST and VT (E6000 series) integrated Intel® Graphics Media Accelerator 3000 (no "x" in the title as in "x3000" this is just "3000") Dell Optiplex 755. Get the lowest price deals on Amazon, and eBay. $64. By tech_guy in forum Hardware. Non-ECC dual-channel 2400MHz DDR4 SDRAM (2133MHz performance on. The only way we got it to install was by turning "OS Install" option on. good day! I have a DELL optiplex 755 SFF PC. The specs scall for a maximum of 16GB total yet states that 16GB per slot is compatible. Finish Windows setup. The USFF chassis does not. Optiplex 7040 Spec Sheet I think you meant 7020 and not 7040? Up to you. •Intel vPro. Power figures for DELL Optiplex 755 Mini Tower. Dell ships non-ECC 184 pin SDRAM memory only. Yes the machine is a good Deal IMHO. My Dell recognized the new memory configuration when I turned it on. At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max bus clock (MHz) of RAM. 64. 4 4. 7040 takes 6th gen CPU's. Above Optiplex's are older. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 7020 (Mini-Tower) - FREE US Delivery. Perhaps, a ssd and maximum memory is only 8 GB's. If you upgrade the CPU, consider an SSD and max the RAM if not already. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Good day Sirs, I have Mini Tower OptiPlex 755 with 0GM819 motherboard . . pretty simple way to make a fast computer even faster. Community Dell. We would like to show you a description here but the site won’t allow us. Dell Support Forums: Dell Desktops Forum: Dell Desktops Community Support Forums all models: Max processor and ram for the Mini-tower optiplex 755 (BIOS A17)DELL™ optipLEx™ 755Optiplex 755 DT Hardware Upgrade. 66Ghz, 95w and 1333mhz bus speed. My background is that I have a Dell Optiplex E8400, 4GB Crucial Ram, 2- SATA CDRW/DVD's, 1. With 1GB GPU= 4GB RAM. 2GB RAM (1x2GB) INTEL GMA3100 ( :C ) 150GB HDD. The newer the game or program intensity, the more negligible the OC will be. Pregunta sobre memoria ram en Dell Optiplex 755. GPU - NVIDIA GTX 970. Solved. if your looking at one of these i would reccomend them because they blend into everyday use and tasks. Safely scan your system for max upgrade options. Your computer supports a maximum of 8GB of memory when you use four 2GB DIMMs; however, 32 -bit operating systems,Anyhow, I have another computer besides the Optiplex 755 with no onboard video card at all. F886J 2. Table 4. The Dell Optiplex 755 is a "Micro BTX" form factor. Can someone confirm the RAM capacity of an Optiplex GX 280? I bought a used machine, it is fitted with 2 x 512 MB. DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. The stylish new OptiPlex 960 delivers advanced technologies to tackle any challenge without missing a beat. I understand Windows XP cannot utilize the full 4 gigs of RAM which is fine with me. 6. Optiplex Desktops. The technical guidebook states that 16Gb is the maximum, but this is incorrect. 0. J. Buy some contact cleaner and spray the RAM contacts as these desktops love to complain about RAM fault when RAM contacts go bad. Upgrading it is somewhat difficult for a DT. Discover more about the. Popular components in PC builds with the Dell OptiPlex 755 Motherboard. 2 device into a 2. Hi,. Lifetime Warranty. Si va a mezclar tipos de memoria, ejemplo memorias de 667 MHz con Memorias de 800Mhz las memorias trabajaran a la velocidad del módulo más lento. 93 GHz, BIOS is A16 8/16/2013, installed memory is 4GB. 8V • 256Meg x 64 •. pretty simple way to make a fast computer even faster. 100. View PDF. Optiplex SFF Plus 7010, RAM upgrade. Two more questions - What's the brand name of the RAM? Is your 755 an MT, DT, SFF or. It's not in specs, but some people have exceeded RAM in 7020 up. 0 GB: Memory Expansion Slots / Banks; 2. Drive Type: SATA 7200 RPM HDD. Kisianik, you said a 750 ti would be appropriate for Dell Optiplex 755. $19. 8 Gb/s (DDR2 800. Nov 22, 2016 Should be 16 gb max source :more info here You have to choose between 2 x 8 gb ddr2 OR ddr3 because you cannot mix them. Boost your Dell OptiPlex 790 Desktop with RAM and SSD upgrades from Crucial. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Or fastest delivery Jan 6 - 11. 2: M. also PCIe can be updated from 2. $4. Updating to a different Dell is also in mind. SAMSUNG 870 EVO SATA III SSD 1TB 2. 4 out of 5 stars 14 ratings. 2 slot supports 4X. Optiplex 755 DDR 2 Ram question. Maximum Size SSD for XPS 8940. 8GB ram ddr2 @ 800Mhz will work, as I’ve upgraded from 4gb in my 755 DT. Download Table of Contents. it can be the difference between DDR2-667, and DDR2-800. It's max RAM capacity is 8GB of 800MHz DDR2 RAM, Non-ECC. gpu can safely upgrade to low profile TDP max 25W. Submit Search. Report. 765* 6. I used a Q9650 in my previous 755, maxed the RAM to 8GB, used an SSD, and the thing flew. The processor is a Core2Quad, which can be upgraded. Dell Part Number: 0GM819 GM819 JR271. A 780 can take a Q9650 Intel Core 2 Quad 3. ItemTips. 2 slot : Parts needed to install a M. Install modules in. 4: SEE FANS spin for 1 second , is very very common. 66GHz Yorkfield Quad Core Q9400, 6MB, 1333FSB, R0. MP627 2. yes it is true, i still use my original dell optiplex gx280, 10+ years old.