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Two green DDR3 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3 1600 ECC Unregistered DIMM memory upgrade - B89

SKU CH-Z1VR-N8WQ8

16 GB kit of two 8 GB DDR3 1600 ECC unregistered DIMMs validated for Dell PowerEdge T20 servers

  • 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 dual-channel kit for Dell PowerEdge T20
  • ECC protection detects and corrects single-bit errors
  • DDR3 1600 MHz CL11 timing for responsive operation
  • Unregistered 240-pin DIMMs install without server-grade buffers
  • Lifetime warranty from Computer Memory Solutions

16GB DDR3 ECC kit for Dell PowerEdge T20

This 16 GB kit contains two 8 GB unregistered ECC DIMMs built to DDR3 1600 PC3 12800 specification. The modules run at 1.5 V with CL11 11-11-11 timing and use 240 pin 2Rx8 organisation. They are validated for the Dell PowerEdge T20U server platform.

Who this suits and who should look elsewhere

The kit suits administrators upgrading a PowerEdge T20U that accepts unregistered ECC DDR3 memory. It does not suit systems that require registered or load reduced modules. It does not suit platforms limited to non ECC memory or to a different DDR generation. Buyers needing more than 16 GB per kit should look at higher capacity options.

What to verify before ordering

Confirm the server has free 240 pin DDR3 slots and that the BIOS recognises unregistered ECC DIMMs at 1600 MHz. Check the system maximum of 32 GB across four sockets so total capacity stays within that limit. Ensure the operating system and workload benefit from ECC protection.

How it compares

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

Price $44.99
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 $2.81 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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 spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsDell Poweredge T20U
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the Dell PowerEdge T20U need all four DIMM slots filled for this 16 GB kit to work?

No, the kit contains two 8 GB modules and the T20U has four slots, so you can install the pair and leave the other two slots empty.

Can I mix these ECC unregistered DDR3-1600 modules with registered ECC DIMMs already in the server?

No, unregistered and registered ECC DIMMs cannot be mixed in the same system; all installed modules must be unregistered.

How can I confirm the memory is running at DDR3-1600 with CL11 timing after installation?

Enter the BIOS or use a system-information tool and verify the reported speed shows 1600 MHz and the CAS latency reads 11-11-11.

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