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Green rectangular memory module with gold contacts and black chips, very low profile, 240 pins

IBM

IBM 46C0599 16GB DDR3 1333MHz ECC RDIMM

SKU CH-ZWET-C8E08

16 GB DDR3 server module with ECC and registered signal processing for IBM BladeCenter HS22

  • TypeFlash Memory
  • 16GB capacity for high-density server workloads
  • Low 1.35V operation reduces power draw
  • ECC and registered design protects data integrity
  • Very low profile 150 mil height fits dense blades
  • Qualified for IBM BladeCenter HS22 (7870)

Server memory for blade density

This 16 GB DDR3 registered DIMM operates at 1.35 V with ECC and CL9 latency. It is built for the IBM BladeCenter HS22 7870 where very-low-profile modules are required. The single 2Rx4 module fits a 240-pin slot and targets administrators expanding capacity in that chassis.

VLP form factor enables tight spacing

The 150 mil height lets the module sit in the HS22’s restricted DIMM bays without blocking airflow. Registered signalling and on-die ECC protect data integrity across the 1333 MHz bus. No extra cables, brackets or software are bundled with the stick.

One module adds 16 GB per channel

A single DIMM populates one slot and raises total memory by 16 GB in the supported blade. Systems needing more than the platform maximum will require additional modules of the same specification. Buyers with non-HS22 servers cannot use this part.

Highlights

  • 16GB capacity for high-density server workloads
  • Low 1.35V operation reduces power draw
  • ECC and registered design protects data integrity
  • Very low profile 150 mil height fits dense blades
  • Qualified for IBM BladeCenter HS22 (7870)

Specifications

BrandLenovo
TypeFlash Memory

Questions about this item

Will the 16 GB DDR3 ECC RDIMM need any firmware updates or periodic replacement after installation?

The module has no firmware and no moving parts; it only requires replacement if a memory diagnostic reports correctable ECC errors that exceed the server platform's threshold.

What limit appears first when the 1333 MHz registered DIMM runs continuously at full load in an IBM BladeCenter HS22?

The BladeCenter HS22 memory-subsystem cooling capacity reaches its thermal ceiling before the 1.35 V DDR3 modules hit any internal frequency or voltage limit.

How much extra heat and power does the 1.35 V 16 GB RDIMM add when the blade runs all day?

Each module draws roughly 1.35 V at its rated 1333 MHz speed, adding minimal heat that the BladeCenter HS22 shared airflow is designed to dissipate without audible fan-speed increases.

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