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Two green DDR3 DIMM sticks with gold contacts, sold as a 16GB kit

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3 1600 ECC Non-Registered DIMM memory upgrade

SKU CH-RSH9-HAYMC

Dual-channel 16 GB DDR3 1600 ECC kit for HP Z1 All-in-One workstations

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 16 GB kit (2 × 8 GB) expands workstation capacity
  • DDR3-1600 speed with CL11 timing for responsive performance
  • ECC unregistered DIMMs protect data integrity in critical tasks
  • Validated for HP Z1 All-in-One workstations
  • 5 V operation matches standard DDR3 voltage requirements

HP Z1 All-in-One 16 GB kit

This 16 GB kit contains two 8 GB DDR3 ECC non-registered DIMMs built for the HP Compaq Workstation Z1 All-in-One. Each module runs at 1600 MHz with CL11 timing at 1.5 V. The 240-pin design matches the system's four memory slots. Computer Memory Solutions guarantees compatibility with the listed Z1 models.

For Z1 owners needing ECC memory

The kit suits owners of B2B85UT or B2B84UT Z1 workstations who want the full 16 GB ECC capacity in matched pairs for dual-channel operation. Buyers whose Z1 runs a Core i5 or i7 processor cannot use ECC modules; those systems only accept non-ECC memory. Mixing ECC with non-ECC is not supported on this platform.

Must install in matched pairs

The Z1 requires modules to be ordered and installed in pairs to enable dual-channel mode. This 2 x 8 GB kit satisfies that rule and delivers the maximum 16 GB ECC unbuffered capacity the system recognises. A 64-bit operating system is required to address the full amount.

How it compares

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

Price $34.99
Cheaper than about 83% 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 $2.19 per GB
Cheaper than about 93% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10247212800ECCNRDIMM2R8
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportYes
Buffer typeUnregistered
Memory rank2Rx8
Heat spreaderBased on Current Inventory (If Required Please Contact)
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHp/Compaq Workstation Z1 All In One
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the DDR3-1600 (PC3-12800) interface limit the modules to 1600 MHz even if the workstation supports higher speeds?

Yes, the kit is rated for DDR3-1600 (PC3-12800) and will run at that speed; the system will not exceed the module rating.

Will these 240-pin DIMMs fit the HP/Compaq Workstation Z1 All-in-One, and how many slots does that system provide?

The 240-pin form factor matches the Z1 All-in-One, which has four memory sockets for dual-channel pairs.

The spec sheet says modules must be installed in pairs — which slots should the two 8 GB sticks occupy for dual-channel operation?

Populate the two slots of the same channel pair (typically slots 1 and 3 or 2 and 4) so the kit runs in dual-channel mode.

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