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  2. Server RAM & Memory

Server RAM & Memory

Server memory — the ECC, buffered DIMMs that keep production hosts stable. This hub covers our full range of enterprise RAM sold by exact manufacturer part number: DDR3, DDR4 and DDR5, ECC Registered (RDIMM) and Load-Reduced (LRDIMM), across 8GB through 512GB capacities and the common speeds, from Micron, Samsung, SK Hynix and the HPE and Dell OEM-serialized parts your iLO or iDRAC expects. Filter by capacity, brand and condition, or jump to a capacity page below. We list New and Refurbished stock together so you can compare a factory module against a tested pull for the same slot. Server memory is unforgiving about rank, voltage and OEM keying, so match your platform's population rules — or use the bulk-quote link and we'll confirm the part against your exact server model. Fast US shipping, warranty-backed, purchase orders welcome.

New vs Recertified vs Refurbished

Every part is sold by exact manufacturer part number and ships warranty-backed. Here's what each condition means so you can weigh price against your workload.

New
Factory-sealed and unused, with the full manufacturer warranty. The safest choice for a fresh build or a warranty-sensitive deployment.
Recertified
OEM-recertified and restored to original specification, typically with low power-on hours. Health-tested and backed by our own replacement warranty — the same usable capacity for a lower price.
Refurbished
Professionally tested working pulls, wiped and inspected. A cost-effective option for labs, cold storage and non-critical tiers, warranty-backed.

Not sure which to pick? Read our New vs Recertified vs Refurbished guide.

Frequently asked questions

What's the difference between New, Recertified and Refurbished drives?+

New is factory-sealed with the full manufacturer warranty. Recertified is OEM-restored to specification with low power-on hours and our own warranty — the same capacity for a lower price. Refurbished is a tested, wiped working pull. All are sold by exact part number and warranty-backed.

Do you accept purchase orders and volume pricing?+

Yes — we ship fast from the US and welcome POs. For quantity or a matched set, use the bulk-quote link on any product for pricing and a compatibility check.

Related collections

64GB Server RAM (ECC)32GB Server Memory (RDIMM / LRDIMM)128GB Server Memory (LRDIMM / 3DS RDIMM)DDR4 ECC Server Memory

Shop by module capacity

16GB32GB64GB128GB256GB512GB

RDIMM, LRDIMM or UDIMM: which DIMM type do you need?

Server memory comes in three buffered/unbuffered designs. A server accepts only the type its population rules list, and RDIMM and LRDIMM can never be mixed in one system.

RDIMM (Registered)
A register buffers the address and command lines, so the memory controller sees one load per DIMM. The standard choice for most 16GB-64GB modules in ProLiant, PowerEdge, ThinkSystem and Supermicro servers.
LRDIMM (Load-Reduced)
Buffers the data lines as well, which lets a channel carry more, larger modules at full speed. Used for 64GB-512GB high-density builds where total capacity matters more than per-module cost.
UDIMM / ECC UDIMM (Unbuffered)
No register - the controller drives the chips directly. Found in entry servers, workstations and micro-servers (Xeon E, some AMD platforms) with two DIMMs per channel at most. Not interchangeable with RDIMM.
Shop by brandMicron1770Hynix1672HP1568Samsung1541Dell1502Kingston885IBM787HPE740

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11879 parts

Part #BrandCapacityTypeSpeedRankECCConditionAvailabilityPrice
MTA18ASF4G72PDZ-3G2E1TI

MTA18ASF4G72PDZ-3G2E1TI - Micron 32 GB RDIMM 3200MHz Registered RAM

Micron
32GB
DDR4
3200MHz
Dual Rank
ECC
Refurbished
Check availability

$435.00

Showing 9,361-9,384 of 11,879

MTA18ASF4G72PDZ-3G2F1TI

MTA18ASF4G72PDZ-3G2F1TI - Micron 32GB DDR4 3200MHz ECC RDIMM Memory

Micron
32GB
DDR4
DDR4-3200/PC4-25600
Dual Rank x8
ECC
Refurbished
Check availability

$435.00

MTA36ASF2G72PZ-2G3A3

MTA36ASF2G72PZ-2G3A3 - Micron 16GB DDR4 2400MHz CL17 ECC RDIMM Memory

Micron
16GB
DDR4
DDR4-2400/PC4-19200
Dual Rank x4
ECC
Refurbished
Check availability

$198.00

MTA18ASF4G72PDZ-3G2E1UI

MTA18ASF4G72PDZ-3G2E1UI - Micron 32 GB RDIMM 3200MHz Registered RAM

Micron
32GB
DDR4
3200MHz
Dual Rank
ECC
Refurbished
Check availability

$435.00

M321R8GA0PB2-CCP

M321R8GA0PB2-CCP - Samsung 64GB DDR5 6400MHz ECC RDIMM Memory Module

Samsung
64GB
DDR5
6400 MHz
Dual Rank x4
ECC
Refurbished
Check availability

$3,800.00

M393A4K40DB2-CWE

M393A4K40DB2-CWE - Samsung 32GB DDR4 3200MHz CL22 ECC RDIMM Memory

Samsung
32GB
DDR4
3200MHz
Dual Rank x4
ECC
New
Check availability

$650.00

MTA9ASF1G72PZ-2G6

MTA9ASF1G72PZ-2G6 - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

MTA9ASF1G72PZ-2G6B1

MTA9ASF1G72PZ-2G6B1 - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

MTA9ASF1G72PZ-2G6D1S

MTA9ASF1G72PZ-2G6D1S - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

MTA18ASF1G72PZ-2G1A2

MTA18ASF1G72PZ-2G1A2 - Micron 8GB DDR4 2133MHz ECC RDIMM 288p Memory

Micron
8GB
DDR4
2133MHz
Single Rank x4
ECC
Refurbished
Check availability

$138.00

MTA18ASF1G72PZ-2G1

MTA18ASF1G72PZ-2G1 - Micron 8GB DDR4 2133MHz CL15 ECC RDIMM Memory

Micron
8GB
DDR4
133MHz
Single Rank x4
ECC
Refurbished
Check availability

$138.00

M386AAG40MMB-CVFCO

M386AAG40MMB-CVFCO - Samsung 128GB DDR4 2933MHz CL21 ECC RDIMM Memory

Samsung
128GB
DDR4
2933MHz
Quad Rank x4
ECC
Refurbished
Check availability

$1,245.00

MTA9ASF1G72PZ-2G6D1QI

MTA9ASF1G72PZ-2G6D1QI - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

MTA9ASF1G72PZ-2G6D1R

MTA9ASF1G72PZ-2G6D1R - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

M386A8K40BM1-CPB00

M386A8K40BM1-CPB00 - Samsung 64GB DDR4 2133MHz CL15 ECC RDIMM Memory

Samsung
64GB
DDR4
2133MHz
Quad Rank x4
ECC
Refurbished
Check availability

$398.00

MTA9ASF1G72PZ-2G6D1QK

MTA9ASF1G72PZ-2G6D1QK - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

M386A8K40CM2-CRC

M386A8K40CM2-CRC - Samsung 64GB DDR4 2400MHz CL17 ECC RDIMM Memory

Samsung
64GB
DDR4
2400MHz
Quad Rank x4
ECC
New
Check availability

$545.00

MTA9ASF1G72PZ-2G6D1RG

MTA9ASF1G72PZ-2G6D1RG - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

M386A8K40BM1-CPBQ0

M386A8K40BM1-CPBQ0 - Samsung 64GB DDR4 2133MHz CL15 ECC RDIMM Memory

Samsung
64GB
DDR4
2133MHz
Quad Rank x4
ECC
Refurbished
Check availability

$398.00

M386A8K40BMB-CRC5Q

M386A8K40BMB-CRC5Q - Samsung 64GB DDR4 2400MHz CL17 ECC RDIMM Memory

Samsung
64GB
DDR4
2400MHz
Quad Rank x4
ECC
New
Check availability

$582.00

MTA9ASF1G72PZ-2G6D1SG

MTA9ASF1G72PZ-2G6D1SG - Micron 8GB DDR4 2666MHz CL19 ECC RDIMM Memory

Micron
8GB
DDR4
2666MHz
Single Rank x8
ECC
Refurbished
Check availability

$130.00

M386A8K40CM2-CRC5Q

M386A8K40CM2-CRC5Q - Samsung 64GB DDR4 2400MHz CL17 ECC RDIMM Memory

Samsung
64GB
DDR4
2400MHz
Quad Rank x4
ECC
New
Check availability

$545.00

M386A8K40BM1-CPB

M386A8K40BM1-CPB - Samsung 64GB DDR4 2133MHz ECC RDIMM Memory Module

Samsung
64GB
DDR4
2133 MHz
Quad Rank x4
ECC
Refurbished
Check availability

$398.00

M386A8K40BMB-CRC4Q

M386A8K40BMB-CRC4Q - Samsung 64GB DDR4 2400MHz ECC RDIMM Memory Module

Samsung
64GB
DDR4
2400 MHz
Quad Rank x4
ECC
New
Check availability

$582.00

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