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  1. Home/
  2. Server RAM/
  3. 128GB Server Memory (LRDIMM / 3DS RDIMM)

128GB Server Memory (LRDIMM / 3DS RDIMM)

128GB modules are the high-density option for memory-bound workloads — in-memory databases, large VM hosts and analytics nodes that need maximum RAM per slot. At this capacity you're usually looking at LRDIMM or 3DS (stacked) RDIMM, and platform support is specific, so every module here is sold by exact manufacturer part number and JEDEC spec: DDR4 and DDR5 from Micron, Samsung, SK Hynix and the HPE and Dell OEM-serialized equivalents. We list New and Refurbished stock together so you can weigh a factory module against a tested pull for the same slot. 128GB parts are the least forgiving about rank, voltage and platform keying, so confirm your server's support and population rules before ordering — or use the bulk-quote link and we'll verify the part against your exact model. In stock, fast US shipping, warranty-backed, and 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

Does my server support 128GB modules?+

128GB LRDIMM/3DS support is platform-specific — many older servers cap at 64GB per slot. Check your server's memory QVL, or send the model via the bulk-quote link and we'll confirm before you buy.

LRDIMM vs 3DS RDIMM at 128GB?+

Both reach high per-slot capacity; which one your server accepts depends on its memory controller and BIOS. Match the exact type your platform's documentation specifies.

Do you accept purchase orders for a full memory build?+

Yes — POs are welcome. For a matched, same-spec set across a server, use the bulk-quote link and we'll assemble and verify it first.

Related collections

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

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570 parts

Part #BrandCapacityTypeSpeedRankECCConditionAvailabilityPrice
MTC40F2047S1RC56BB2R

MTC40F2047S1RC56BB2R - Micron 128GB DDR5 5600MHz ECC RDIMM Memory

Micron
128GB
DDR5
5600 MHz
-
ECC
New
Check availability

$8,812.00

MTC40F2047S1RC56BB1

MTC40F2047S1RC56BB1 - Micron 128GB DDR5 5600MHz ECC RDIMM Memory

Micron
128GB
DDR5
5600 MHz
Dual Rank
ECC
New
Check availability

$6,175.00

MTC40F2047S1RC56BR

MTC40F2047S1RC56BR - Micron 128GB DDR5 5600MHz ECC RDIMM Memory Module

Micron
128GB
DDR5
5600 MHz
Dual Rank
ECC
New
Check availability

$5,992.00

MTC40F2047S1RC56BB2

MTC40F2047S1RC56BB2 - Micron 128GB DDR5 5600MHz ECC RDIMM Memory

Micron
128GB
DDR5
5600 MHz
-
ECC
New
Check availability

$5,750.00

MTC40F2047S1RC56BB1R

MTC40F2047S1RC56BB1R - Micron 128GB DDR5 5600MHz ECC RDIMM Memory

Micron
128GB
DDR5
5600 MHz
Dual Rank
ECC
New
Check availability

$5,750.00

MTC40F2047S1RC56B

MTC40F2047S1RC56B - Micron 128GB DDR5 5600MHz ECC RDIMM Memory Module

Micron
128GB
DDR5
5600 MHz
Dual Rank x4
ECC
New
Check availability

$5,992.00

P78353-001

P78353-001 - HPE 128GB DDR5 5600MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
5600 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
S4L15A

S4L15A - HPE 128GB DDR5 5600MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
5600 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P77349-001

P77349-001 - HPE 128GB DDR5 5600MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
5600 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
R9Q20A

R9Q20A - HPE 128GB DDR5 4800MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
4800 MHz
Quad Rank x4
ECC
New
Check availability
Request quote
P43336-6A1

P43336-6A1 - HPE 128GB DDR5 4800MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
4800 MHz
Quad Rank x4
ECC
New
Check availability
Request quote
S5D52A

S5D52A - HPE 128GB DDR5 4800MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P75395-001

P75395-001 - HPE 128GB DDR5 5600MHz ECC RDIMM Smart Memory

HPE
128GB
DDR5
5600 MHz
Quad Rank x4
ECC
New
Check availability
Request quote
P64988-K21

P64988-K21 - HPE 128GB DDR5 6400MHz ECC RDIMM Smart Memory

HPE
128GB
DDR5
6400 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
S4J68A

S4J68A - HPE 128GB DDR5 5600MHz ECC RDIMM Memory Module

HPE
128GB
DDR5
5600 MHz
Quad Rank x4
ECC
New
Check availability
Request quote
P64988-H21

P64988-H21 - HPE 128GB DDR5 6400MHz ECC RDIMM Smart Memory

HPE
128GB
DDR5
6400 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P64752-001

P64752-001 - HPE 128GB DDR5 4800MHz ECC DIMM Memory Module

HPE
128GB
DDR5
4800 MHz
Quad Rank x4
ECC
New
Check availability
Request quote
P69730-K21

P69730-K21 - HPE 128GB DDR5 6400MHz ECC RDIMM Smart Memory

HPE
128GB
DDR5
6400 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P76200-001

P76200-001 - HPE 128GB DDR5 4800MHz ECC RDIMM Smart Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P73135-B21

P73135-B21 - HPE 128GB DDR5 4800MHz ECC RDIMM Smart Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P76180-001

P76180-001 - HPE 128GB DDR5 4800MHz ECC RDIMM Smart Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P73127-K21

P73127-K21 - HPE 128GB DDR5 4800MHz ECC RDIMM Smart Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P73127-B21

P73127-B21 - HPE 128GB DDR5 4800MHz ECC RDIMM Smart Memory Module

HPE
128GB
DDR5
4800 MHz
Dual Rank x4
ECC
New
Check availability
Request quote
P74424-B21

P74424-B21 - HPE 128GB DDR5 5600MHz ECC RDIMM Smart Memory

HPE
128GB
DDR5
5600 MHz
Quad Rank x4
ECC
New
Check availability
Request quote

Showing 241-264 of 570

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