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Two green 240-pin DDR3 ECC registered DIMMs, no heat spreaders

OWC

OWC 16GB 2x8GB DDR3 1333 PC3-10600 CL9 ECC RDIMM 2Rx4 1.5V memory upgrade

SKU CH-PKKW-RQ7E5

A 16 GB DDR3 ECC registered memory kit of two 8 GB modules at 1333 MHz for select HP ProLiant servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB (2 x 8GB)

  • ECC registered design protects data integrity in servers
  • 16 GB kit (2 x 8 GB) expands capacity for virtualization
  • DDR3 1333 CL9 1.5 V matches HP ProLiant specs
  • 240-pin 2Rx4 registered modules install in SL and WS models
  • Replaces HP part numbers 500205071, 500205171, 500206071, 500662B21, 501536001, 593913B21, A0R56A, AM231A, AM328A, FX622AA, FX622UT

Compatible HP ProLiant Servers

This kit fits HP ProLiant SL165s G7, SL170s G6, SL335s G7, SL390s G7 and WS460c G6 servers. It replaces HP part numbers 500205071, 500205171, 500206071, 500662B21, 501536001 and 593913B21. Verify your exact model before purchase.

Who Should Not Buy

Buyers needing memory for standard desktop PCs cannot use these registered ECC modules. Systems that require unbuffered DDR3 or a different pin count will not accept this kit. Builders mixing registered with unbuffered DIMMs will encounter instability.

Registered ECC DDR3 Specification

These are 240-pin DDR3 1333 PC3-10600 CL9 1.5V 2Rx4 registered ECC RDIMMs. The registered buffer and ECC function are mandatory for the listed ProLiant servers. Confirm your platform requires registered ECC before ordering.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $42.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.69 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D32R4016P
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHP ProLiant SL165s G7
HP ProLiant SL170s G6
HP ProLiant SL335s G7
HP ProLiant SL390s G7
HP ProLiant WS460c G6

Other versions of this model

5 more in the same range

Questions about this item

Will these 240-pin DDR3 1333 ECC registered DIMMs work in my HP ProLiant SL335s G7 server?

Yes, the kit is validated for the SL335s G7 and other listed ProLiant models including SL165s G7, SL170s G6, SL390s G7 and WS460c G6.

Can I add this 2Rx4 registered kit alongside the unbuffered DIMMs already installed in my ProLiant?

No, registered ECC modules cannot be mixed with unbuffered memory; all slots must use registered DIMMs for the system to operate correctly.

How do I verify the 16 GB kit is running at PC3-10600 CL9 after installation?

Check the BIOS memory information or run a tool such as dmidecode; it should report 1333 MT/s, CAS latency 9, 1.5 V and registered ECC mode.

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