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Green 240-pin DDR3 server DIMM with black memory chips

Total Micro Technologies

Total Micro Technologies A5940905-TM 16GB DDR3 1600 ECC Registered server RAM

SKU CH-2X2R-V7SWT MPN A5940905-TM

16 GB DDR3 1600 ECC registered server memory with CL11 latency and 1.50 V operation

  • Total capacity16 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Product type240-Pin DDR3 SDRAM
  • 16 GB capacity supports heavy virtualisation workloads
  • ECC registered design protects data integrity in critical servers
  • DDR3 1600 speed delivers 12800 MB/s bandwidth
  • CL11 latency reduces memory access delays
  • 240-pin 1.50 V module fits standard DDR3 server slots

16GB DDR3 1600 ECC Registered Module

This 16GB DDR3 1600 module is built for servers that require error-correcting registered memory. It targets system administrators and integrators maintaining or expanding DDR3-based platforms. The 240-pin form factor and 1.50V operation match standard server DIMM slots.

Sustained Load Behaviour

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC circuitry detects and corrects single-bit errors in real time, preserving data integrity under heavy, prolonged workloads. CL11 latency at DDR3 1600 (PC3 12800) delivers consistent throughput for virtualisation and database tasks.

Pre-Installation Checks

Verify that your server motherboard supports DDR3 registered ECC DIMMs and accepts 16GB per slot. Confirm the memory channel population rules for your specific platform before ordering. Ensure the system BIOS is updated to recognise high-density registered modules.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $48.99
Cheaper than about 84% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $3.06 per GB
Cheaper than about 89% of the 6,064 comparable items (median $7.25 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 nameTotal Micro
Model nameA5940905-TM
Total capacity16 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.5 V
Size & build
Shipping weight0.09 kg
Package size305 × 51 × 25 mm

Questions about this item

How much power does the 1.50 V DDR3 1600 module draw when the server runs continuously?

The registered DIMM operates at the standard 1.50 V DDR3 voltage; actual power draw depends on the server workload and the number of modules installed.

What must the motherboard provide for this 240-pin registered ECC stick to function?

The board needs a 240-pin DDR3 slot that supports registered ECC memory and can run at 1600 MT/s (PC3 12800) with CL11 timing.

Will this CL11 registered module work alongside older CL9 unbuffered DDR3 DIMMs I already have?

Registered and unbuffered DIMMs cannot be mixed on the same channel, and differing CAS latencies will force the system to run at the slower timing if the platform allows mixed populations at all.

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