IBM BladeCenter HS23 Memory Upgrades ✓­ Guaranteed Compatible

Learn more about IBM BladeCenter HS23 memory

What IBM BladeCenter HS23 DIMM type is supported?

RDIMM

Why are there various DIMM types supported?

Factory configured HS23 systems often have smaller, less expensive modules. As more memory is required different density and technologies are needed. DIMM type mixing is never recommended.

What is a registered memory module?

Registered DIMM memory modules have a register component between the DRAM modules and the motherboard memory controller. When manufactured as a dual in-line memory module (DIMM), a registered memory module is called an RDIMM.

What IBM BladeCenter HS23 memory speed is supported?

DDR3-1333, DDR3-1600 and DDR3-1866

Why may there be various speeds of IBM BladeCenter HS23 memory?

Some servers often have various configurations and versions. If you are unsure what you need, please refer to your HS23 manual or data sheet. If you need tech support, please contact us.

General DIMM population guideline for IBM BladeCenter HS23 upgrade to consider.

Some may or may not apply.

• If mixing memory speeds, all 8 DIMMs run at the lowest DDR3-1333 bus frequency.
• Install DIMMs starting furthest from the processor.
• Do not install DIMMs if the corresponding processor is not installed.
• If only one processor is installed in a two CPU system, only half of the DIMM slots are available.
• To maximize performance, balance the total memory capacity between all installed processors.
• It is not required, but it is recommended to load the channels similarly if possible.

Why are there so many IBM BladeCenter HS23 upgrade options?

IT buyers come from all walks of life. Some purchase by OEM part number. Some purchase by original module part number. Our goal is to give you confidence when purchasing IBM BladeCenter HS23 upgrades. All modules listed are qualified to work in your IBM BladeCenter HS23.