Your Browsing History
- In Stock
- Sold by Newegg
- AI Ready
- Make an Offer
- New
Any questions? Our AI beta will help you find out quickly.
Try me now

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory Compatible with Dell PowerEdge T440 Tower
- Voltage: 1.20V
- Compatible System: Dell
- CAS Latency: CL19
- Part Number: MR21300-324K1
- Model #: MR21300-324K1-DL-PET440
- $249.99 –

Quick View
MSI MEG Z590 ACE GOLD EDITION LGA 1200 Intel Z590 ATX Intel Motherboard
- Memory Standard: DDR4 1R 3200 / 2933 / 2666 / 2133 for 11th Gen Intel CPU (by JEDEC & POR) DDR4 1R 2933 / 2666 / 2133 for 10th Gen Intel CPU (by JEDEC & POR) Max overclocking frequency: 1DPC 1R Max speed up to 5600 1DPC 2R Max speed up to 4800+ 2DPC 1R Max speed up to 4400+ 2DPC 2R Max speed up to 4000+
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC4082 + ESS SABRE9018Q2C Combo DAC/HPA
- Brand: MSI
- Model #: MEG Z590 ACE GOLD ED
- $323.69 –
- More options from $269.00 - $599.00
- $29.99 Shipping

Quick View
GIGABYTE C246-WU4 LGA 1151 (300 Series) Intel C246 ATX Intel Motherboard
- Memory Standard: DDR4 2666/ 2400/ 2133
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC1220-VB codec * The back panel line out jack supports DSD audio.
- Brand: GIGABYTE
- Model #: C246-WU4
- $377.96 –
- More options from $179.00 - $399.00
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Memory Compatible with QNAP RAM-16GDR4ECT0-SO-2666
- Model #: MSE21300-628K1-RAM-16GDR4ECT0-SO-2666
- $157.26 –

Quick View
ASUS PRIME A520M-K AM4 AMD A520 Micro ATX AMD Motherboard
- Brand: ASUS
- CPU Socket Type: AM4
- Chipset: AMD A520
- Serial ATA (SATA): 4 x SATA 6Gb/s
- Model #: PRIME A520M-K
- $110.86 –
- More options from $84.99 - $216.43
- Free Shipping

Quick View
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 1Rx8
- Parts: Lifetime
- Model #: NE-MAC-0094
- $142.97 –
- Free Shipping

Quick View
Samsung 16GB ECC DDR4 2666MHz PC4-21300 1.2V 2Rx8 288-Pin ECC UDIMM Server RAM Memory Module M391A2K43BB1-CTD
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: M391A2K43BB1-CTD-SM
- $179.99 –
- More options from $179.99 - $227.43

Quick View
- $126.09
- $110.96 –
- Save: $15.13 (11%)
- More options from $49.95 - $129.69

Quick View
GIGABYTE B460M AORUS PRO LGA 1200 Intel B460 Micro-ATX Motherboard with Dual M.2, SATA 6Gb/s, USB 3.2 Gen 1
- Memory Standard: Intel Core i9/i7 processors: Support for DDR4 2933/ 2666/ 2400/ 2133 MHz Intel Core i5/i3/ Pentium/Celeron processors: Support for DDR4 2666/ 2400/ 2133 MHz
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC1200
- Brand: GIGABYTE
- Model #: B460M AORUS PRO
- $96.45 –
- More options from $76.84 - $229.32
- $29.99 Shipping

Quick View
NEMIX RAM 32GB (4X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ME21300-828K4
- Model #: ME21300-828K04-395
- $279.49 –
- Free Shipping

Quick View
New Dell Inspiron 15.6" WVA Full HD Touchscreen Intel UHD graphics 13th Generation Intel Core i7-1355U 16GB RAM 512GB SSD Wi-Fi 6 Bluetooth USB-C 3.2 HDMI 1.4 1080p Webcam Windows 11 Pro Black
- Processor Name: 3.40GHz
- Memory: 16GB
- SSD: 512GB
- GPU/VPU: UHD
- Model #: GC_i3530-7050BLK_16_512_P
- $699.99 –
- More options from $694.00 - $839.79
- Free Shipping

Quick View
GIGABYTE X299 UD4 Pro LGA 2066 Intel X299 USB 3.1 ATX Intel Motherboard
- Memory Standard: Support for DDR4 4400(O.C.)/ 4333(O.C.)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666(O.C.)/ 2400/ 2133 MHz memory modules
- Number of Memory Slots: 8x288pin (DDR4)
- Audio Chipset: Realtek ALC1220
- Brand: GIGABYTE
- Model #: X299 UD4 Pro
- $539.00 –
- More options from $109.98 - $539.00
- Free Shipping

Quick View
Intel Intel Core i9-9820X 10-Core 3.3 GHz LGA 2066 165W CD8067304126901 Desktop Processor
- L3 Cache: 17MB
- Processors Type: Desktop
- # of Threads: 20-Threads
- Max Turbo Frequency: 4.1 GHz
- Model #: CD8067304126901
- $139.00 –
- Free Shipping

Quick View
Kingston 16GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model KCP426SS8/16
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: KCP426SS8/16
- $106.88
- $101.54 –
- More options from $37.42 - $121.03

Quick View
ASRock Z390 PHANTOM GAMING 4S LGA 1151 (300 Series) Intel Z390 HDMI SATA 6Gb/s USB 3.1 ATX Intel Motherboard
- Memory Standard: Supports DDR4 4300+(OC)*/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133 non-ECC,un-buffered memory
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC1200
- Brand: ASRock
- Model #: Z390 PHANTOM GAM 4S
- $99.91 –
- More options from $73.06 - $164.56
- Free Shipping

Quick View
ASUS ROG Strix B550-XE Gaming WiFi AMD AM4 (Zen 3/3rd Gen Ryzen) ATX Gaming Motherboard (PCIe 4.0, WiFi 6, 2.5Gb LAN, 16 (90A) Power Stages, Bundled ASUS Hyper M.2 x16 Gen 4 Card, Addressable Gen 2 RG
- Brand: ASUS
- CPU Socket Type: AM4
- Chipset: AMD B550
- Serial ATA (SATA): 6 x SATA 6Gb/s
- Model #: Strix B550-XE Gam WF
- $272.90 –
- More options from $197.20 - $454.75
- $29.99 Shipping

Quick View
8GB RAM Replacement for Hynix HMA81GR7AFR8N-VK, HMA81GR7CJR8N-VK, HMA81GR7JJR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: 5053772477957
- $71.49 –
- Free Shipping

Quick View
SAMSUNG 8G 288Pin DDR4 SDRAM 1Rx8 DDR4 2666MHz (PC4 21300) 1.2V Desktop Ram Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Model #: M378A1K43CB2--CTD
- $60.99 –
- More options from $24.99 - $63.21
- Free Shipping

Quick View
Fanless Mini PC, Industrial Computer, Core I7 10810U, TPM2.0, Windows 11, Partaker I28, 2 x COM, SIM Slot, HD, DP, 2 x 2.5G LAN, Vesa Mount, Support RAID 0/1, 32GB DDR4 1TB SSD
- Color: Black
- CPU Type: Intel Core i7 10th Gen
- Model #: I28-I7 10810U-32G1TB
- $1,050.99 –
- Free Shipping

Quick View
ASUS WS C246M PRO uATX Server Motherboard LGA 1151 Intel C246
- Brand: ASUS
- CPU Socket Type: LGA 1151
- CPU Type: Intel Xeon processor E-2100 family The 8th/9th generation Intel Core i3/Pentium/Celeron Processor Intel Core i9/i7/i5/i3 processors Intel Xeon E Processors E-2100/E-2200 * Refer to support page for more information
- North Bridge: Intel C246
- Model #: WS C246M PRO
- $399.00 –
- More options from $339.99 - $447.15
- Free Shipping

Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHz PC4-21300 ECC UDIMM 1RX8
- CAS Latency: CL19
- Type: 288-Pin DDR4 SDRAM
- Rank: 1Rx8
- Model #: REU21300S8C8
- $62.00 –
- Free Shipping

Quick View
Intel Core i5-10600K Desktop Processor i5 10th Gen 6 Cores up to 4.8 GHz Unlocked LGA1200(Intel 400 Series Chipset)125W-
BX8070110600K-OEM,No Box
Limited time offer, ends 07/04
- Processors Type: Desktop
- Model #: B-Intel Core i5-10600K SANPIAN
- $145.00 –
- More options from $145.00 - $254.00
- Free Shipping

Quick View
- $105.00 –
- More options from $105.00 - $129.69
- Free Shipping

Quick View
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology Rackstation DS1823xs+
- Voltage: 1.20V
- Compatible System: Synology
- CAS Latency: CL19
- Part Number: MSE21300-628K2
- Model #: MSE21300-628K2-SYN-DS1823XS+
- $313.89 –

Quick View
Synology DiskStation DS1621+ NAS Server for Business with Ryzen CPU, 32GB Memory, 24TB HDD, Synology DSM Operating System, iSCSI Target Ready
- Form Factor: Micro Tower
- Installed Memory: 16GB
- Type: Desktop NAS
- Model #: 840104304426
- $3,299.00 –
- Free Shipping

Quick View
in 30 days
Micron MTA8ATF1G64AZ-2G6H1- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 1Rx8
- Model #: MTA8ATF1G64AZ-2G6H1

Quick View
SK hynix 32GB PC4-2666V-R DDR4 Registered ECC 2RX4 Memory RDIMM HMA84GR7CJR4N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx4
- Model #: HMA84GR7CJR4N-VK
- $214.13 –
- More options from $68.75 - $279.00

Quick View
SAMSUNG 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model M393A4K40BB2-CTD
- CAS Latency: CL17
- Timing: 17-17-17
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Model #: 3SA266619R5-32GPBOP-
- $191.59
- $169.45 –
- Save: $22.14 (11%)
- More options from $169.45 - $214.13

Quick View
GIGABYTE B365 HD3 LGA 1151 (300 Series) Intel B365 ATX Intel Motherboard
- Memory Standard: Support for DDR4 2666/ 2400/ 2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules * To support 2666 MHz or XMP memory, you must install a 9th or 8th Generation Intel Core i9/i7/i5 processor.
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC892
- Brand: GIGABYTE
- Model #: B365 HD3
- $93.57 –
- More options from $42.43 - $208.13
- Free Shipping

Quick View
NEMIX RAM 8GB (1X8GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 260-PIN Non-ECC Unbuffered SODIMM Memory Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K
- Brand: NEMIX RAM
- Series: Apple iMac/Mac Mini Compatible Series Memory
- Capacity: 8GB
- Speed: DDR4 2400 (PC4 19200)
- Model #: MS19200-818K01-AG1
- $56.99 –

Quick View
A-Tech 256GB (2x128GB) 2S4Rx4 (8Rx4 3DS) PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Octal Rank x4 3DS/TSV Server & Workstation RAM Memory Upgrade Kit
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Model #: AT128G2D4D2666RO4N12V
- $1,429.98 –

Quick View
Samsung M391A2K43BB1-CTD DDR4-2666 16GB 1Gx8 ECC CL19 Samsung Chip Server Memory
- Model #: M391A2K43BB1-CTD
- $179.99 –
- More options from $116.78 - $227.43

Quick View
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Series Motherboard
- Voltage: 1.20V
- Compatible System: ASRock
- CAS Latency: CL19
- Part Number: MR21300-628K2
- Model #: 0759170876808
- $269.89 –
- Free Shipping

Quick View
4GB RAM Replacement for Crucial BLS4G4D26BFSC | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772481039
- $39.92 –

Quick View
MSI MPG Z490 GAMING PLUS LGA 1200 Intel Z490 SATA 6Gb/s ATX Intel Motherboard
- Memory Standard: 5000(OC)/ 4800(OC)/ 4600(OC)/ 4533(OC)/ 4400(OC)/ 4300(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(OC)/ 3000(OC)/ 2933(JEDEC)/ 2666(JEDEC)/ 2400(JEDEC)/ 2133(JEDEC) MHz
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC1200
- Brand: MSI
- Model #: MPG Z490 GAMING PLUS
- $240.10 –
- More options from $127.98 - $542.60
- Free Shipping

Quick View
8GB RAM Replacement for Hynix HMA81GR7CFR8N-VK, HMA81GR7MFR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: NE-PNR-1830
- $71.49 –
- Free Shipping












