How much RAM does the IBM BladeCenter JS21 support?

The BladeCenter JS21 supports up to 16GB of memory across 4 slot(s), up to 4GB per slot.

What type of memory does the BladeCenter JS21 use?

It uses DDR2 DIMM/RDIMM memory modules.

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IBM BladeCenter JS21Memory Upgrades

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System specifications for IBM BladeCenter JS21

Specifications reported for the IBM BladeCenter JS21.

Memory type: DDR2
Form factor: DIMM, RDIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 667 MT/s
ECC: supported

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your IBM BladeCenter JS21, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

IBM BladeCenter JS21Memory Upgrades

Change system Auto-detect

9 guaranteed-fit options

This option is out of stock.

System specifications for IBM BladeCenter JS21

Specifications reported for the IBM BladeCenter JS21.

Memory type: DDR2
Form factor: DIMM, RDIMM
Memory slots: 4
Maximum memory: 16GB
Max per slot: 4GB
Rated speed: 667 MT/s
ECC: supported

Good to know

Faster modules automatically run at your system's maximum supported speed.
Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

IBM BladeCenter JS21Memory Upgrades

Choose your upgrade

System specifications for IBM BladeCenter JS21

Software

IBM BladeCenter JS21Memory Upgrades

Choose your upgrade

System specifications for IBM BladeCenter JS21

Software