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Three green DDR3 DIMMs with black chips, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 12GB (3x4GB) DDR3 1333 ECC Unregistered DIMM Z600 B3

SKU CH-5BKD-T859X

12 GB of DDR3 ECC memory in a three-stick kit for HP Z600 B3 workstations

  • Capacity12GB (3 x 4GB)
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 12 GB total capacity from three 4 GB modules
  • ECC protection detects and corrects single-bit errors
  • Unregistered DDR3-1333 CL9 timing for low latency
  • Triple-channel kit matches Z600 B3 three-socket bank
  • 5 V operation with major-brand chipset components

HP Z600 B3 compatible ECC kit

This 12GB kit contains three 4GB unregistered DDR3 DIMMs built for HP Z600 B3 workstations. The modules run at 1333MHz with CL9 timing and 1.5V voltage. ECC support protects data integrity in server workloads. The 240-pin form factor fits the system's triple-channel architecture.

Suited for Z600 B3 memory expansion

Ideal for owners of HP Z600 B3 workstations needing to populate all three channels per CPU for interleaved performance. Not suited for systems requiring registered DIMMs or capacities beyond 4GB per module. Buyers with C2 revision chipsets needing registered memory should verify board revision first. Non-ECC platforms cannot use this kit.

Triple-channel 1333MHz DDR3 specification

The decisive specification is the DDR3 1333 unregistered ECC design matched to the Z600 B3 triple-channel controller. Each CPU accepts three modules across one bank for interleaved access. Maximum unregistered capacity reaches 24GB with two CPUs installed. Verify your system shows the 1/30/09 boot block date confirming B3 revision before purchase.

Highlights

  • 12 GB total capacity from three 4 GB modules
  • ECC protection detects and corrects single-bit errors
  • Unregistered DDR3-1333 CL9 timing for low latency
  • Triple-channel kit matches Z600 B3 three-socket bank
  • 5 V operation with major-brand chipset components

Specifications

BrandComputer Memory Solutions
ModelCM5127210600ECCNRH2R8
Capacity12GB (3 x 4GB)
Type240-Pin DDR3 SDRAM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCYes
Buffered/RegisteredUnregistered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHP/Compaq Workstation Z600 B3 SERIES
Package Content3 Memory RAM Sticks

Questions about this item

How do I install these three 4 GB DIMMs in the HP Z600 B3 for triple-channel operation?

Populate one DIMM in each of the three channels per CPU — slots 1, 2 and 3 — so the memory controller can interleave across all three 1333 MHz channels.

Will the ECC unregistered DIMMs need any firmware updates or periodic replacement?

No firmware updates are required; the modules run at 1.5 V with CL9 timing and are covered by a limited lifetime warranty from the manufacturer.

What is the maximum memory ceiling I will hit first with this 12 GB kit in a dual-CPU Z600 B3?

The workstation caps at 24 GB for unregistered ECC DIMMs when two CPUs are installed, so this 12 GB kit reaches half that limit.

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