Your Browsing History
- In Stock
- Sold by Newegg
- AI Ready
- Make an Offer
- New

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

Quick View
ASUS ROG STRIX B460-I GAMING LGA 1200 Intel B460 Mini ITX Intel Motherboard
- Memory Standard: DDR4 2933/ 2800/ 2666/ 2400/ 2133 MHz Non-ECC, Un-buffered Memory * * 10th Gen Intel Core i9/i7 CPUs support 2933/ 2800/ 2666/ 2400/ 2133 natively, Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
- Number of Memory Slots: 2x288pin (DDR4)
- Audio Chipset: ROG SupremeFX Surround Sound High Definition Audio CODEC
- Brand: ASUS
- Model #: STRIX B460-I GAMING
- $302.10 –
- More options from $180.00 - $324.60
- Free Shipping

Quick View
Used - Very Good ASRock Z370 Killer SLI/ac LGA 1151 (300 Series) Intel Z370 HDMI USB 3.1 ATX Intel Motherboard
- Memory Standard: Supports DDR4 4266+(OC)*/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2666/ 2400/ 2133 * 8th Gen Intel CPU supports DDR4 up to 2666. * Please refer to Memory Support List on ASRock's website for more information.
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC892
- Brand: ASRock
- Model #: Z370 Killer SLI/ac
- $96.00 –
- 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
SYNOLOGY RAM DDR4-2666 Non-ECC So-DIMM 4GB
- Model #: D4NESO26664G
- $252.71 –
- More options from $102.37 - $252.71

Quick View
MTA18ASF2G72PDZ-2G6 Micron 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 288-Pin DIMM 1.2V Dual Rank Memory Module
- CAS Latency: CL19
- Type: 288-Pin DDR4 SDRAM
- Model #: MTA18ASF2G72PDZ-2G6
- $166.49 –
- More options from $166.49 - $169.00

Quick View
Hynix HMA81GU7CJR8N-VK 8GB DDR4-2666 ECC UDIMM
- Type: 288-Pin DDR4 SDRAM
- Rank: 1Rx8
- Model #: HMA81GU7CJR8N-VK
- $119.99 –
- 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
Dell Inspiron Laptop 15.6" Full HD Touch Screen Intel core i5-1135G7 32GB DDR4 RAM 1TB NVMe SSD Windows 11 Pro Black
- Screen Size: 15.6"
- Style: Standard
- Usage: Consumer
- Model #: B2C_i3511-5101BLK_32_1SD_Pro
- $879.79 –
- More options from $580.00 - $994.20
- Free Shipping

Quick View
Micron 16GB 288-Pin DDR4 SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MTA18ASF2G72PDZ-2G6J
- CAS Latency: CL19
- Timing: 19-19-19
- Type: 288-Pin DDR4 SDRAM
- Rank: Dual-rank
- Model #: MTA18ASF2G72PDZ-2G6J

Quick View
in 30 days
Supermicro (HMA81GR7CJR8N-VK) 8GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR480L-HL05-ER26- CAS Latency: CL19
- Timing: 19-19-19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Model #: MEM-DR480L-HL05-ER26

Quick View
ASUS PRIME Z370-P II LGA 1151 (300 Series) Intel Z370 HDMI SATA 6Gb/s USB 3.1 ATX Intel Motherboard
- Memory Standard: DDR4 4000(O.C.)*/ 3866(O.C.)*/ 3733(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 / 2400 / 2133 * The maximum memory frequency supported varies by processor ** Refer to www.asus.com for the Memory QVL (Qualified Vendors List)
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC887
- Brand: ASUS
- Model #: PRIME Z370-P II..,
- $101.70 –
- More options from $79.00 - $120.00
- Free Shipping

Quick View
- $105.00 –
- More options from $105.00 - $127.70
- Free Shipping

Quick View
Used - Like New ASUS Z97-A LGA 1150 Intel Z97 HDMI USB 3.0 ATX Intel Motherboard
- Memory Standard: DDR3 3200*(*O.C.)/ 3100*/ 3000*/ 2933*/ 2800*/ 2666*/ 2600*/ 2400*/ 2200*/ 2133*/ 2000*/ 1866*/ 1600/ 1333
- Number of Memory Slots: 4x240pin
- Audio Chipset: Realtek ALC892
- Brand: ASUS
- Model #: Z97-A
- $159.99 –
- More options from $119.00 - $159.99
- Free 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
- $3,604.10 –
- Free Shipping

Quick View
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx4 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: MR21300-324K2
- Model #: 0759170876761
- $499.49 –
- Free Shipping

Quick View
Crucial 32GB Kit (16GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K16G4DFRA266
- Model #: 9435761154210
- $299.99
- $284.99 –
- Save: $15.00 (5%)
- $5.99 Shipping

Quick View
- $97.09 –

Quick View
SNPTP9W1C/16G - Dell Compatible 16GB PC4-21300 DDR4-2666MHz 2Rx8 1.2V Non-ECC UDIMM
- CAS Latency: CL15
- Voltage: 1.20V
- Chipset: Major Brand Chipset
- Buffered/Registered: Unregistered
- Model #: SNPTP9W1C/16G
- $159.45 –

Quick View
MSI B660M BOMMER DDR4 Micro ATX Motherboard, INTEL B660/LGA 1700 12th Gen Motherboard, SATA PCIe 4.0 DDR4 4000, Micro ATX Intel Motherboard
- CPU Socket Type: LGA 1700
- CPU Type: 12th generation Core/Pentium/Celeron
- Model #: B-MSI B660M BOMMER DDR4
- $179.00 –
- More options from $107.00 - $179.00
- Free Shipping

Quick View
CT16G4DFS8266 Crucial 16GB DDR4-2666(PC4-21300) UDIMM •1.2V •2666MT/s • CL-19 •Single Ranked •x8 based •Unbuffered •NON-ECC •288-PIN Desktop Memory
- CAS Latency: CL19
- Color: Green
- LED Color: None
- Model #: HJ-CT16G4DFS8266
- $109.00 –

Quick View
Black Diamond Memory 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model BD8GX22666MQN22
- CAS Latency: CL19
- Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
- Model #: BD8GX22666MQN22
- $191.99 –
- 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
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
- $153.26 –
- More options from $124.10 - $278.74
- Free Shipping

Quick View
Supermicro Certified MEM-DR464L-HL03-LR26 Hynix HMAA8GL7CPR4N-VK 64GB DDR4-2666 ECC LRDIMM Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 4Rx4
- Model #: HMAA8GL7CPR4N-VK
- $273.75 –

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
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
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

Quick View
128GB RAM Replacement for Samsung M393AAK40B42-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
- Chipset: Samsung Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S4Rx4 (8Rx4)
- Model #: NE-PNR-2296
- $714.99 –

Quick View
16GB RAM Replacement for Crucial BLS16G4D26BFSC, CT16G4DFD8266, CT2K16G4DFD8266, CT4K16G4DFD8266 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772480735
- $104.13 –

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
G.SKILL Ripjaws Series 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19D-16GRS
- CAS Latency: CL19
- Timing: 19-19-19-43
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: F4-2666C19D-16GRS
- $199.43 –
- More options from $199.29

Quick View
Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM
- Type: 288-Pin DDR4 SDRAM
- Model #: 421-001712000361964
- $180.74 –
















