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Two green DDR4 DIMM sticks, no heat spreaders, 288-pin

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR4 2133MHz CL15 DIMM Alienware x51 R3

SKU CH-FBV3-C02GN

16 GB dual-channel DDR4 kit running at 2133 MHz CL15 for Alienware x51 R3 desktop

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • 16 GB dual-channel kit boosts multitasking headroom
  • 2133 MHz DDR4 speed matches Alienware x51 R3 spec
  • CL15 15-15-15 timings keep latency low
  • 2 V unbuffered DIMMs run cool without spreaders
  • 288-pin non-ECC modules install in all four slots

Alienware x51 R3 16GB Kit

This 16GB kit contains two 8GB DDR4 DIMMs built for the Alienware x51 R3 desktop. It delivers 2133MHz speed with CL15 timing at 1.2V. The unbuffered, non-ECC modules suit owners who want a straightforward capacity increase without configuration changes.

Two matched modules enable dual-channel

The paired sticks activate dual-channel mode on the four-slot board, raising usable bandwidth over a single module. Major-brand chips and 2Rx8 organisation keep timings stable at 15-15-15. No heat spreader is fitted, so clearance inside the compact chassis is not affected.

Standard 288-pin DIMM installation

Align the notch, press until the latches click, and the system recognises the memory at 2133MHz automatically. The board supports up to 64GB total, so this kit leaves two slots free for later expansion. Buyers who need ECC error correction or registered buffering cannot use this kit.

How it compares

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

Price $98.99
Cheaper than about 68% 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 $6.19 per GB
Cheaper than about 63% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642133DIMM
Total capacity16 GB (2 × 8 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsAlienware x51 R3 Desktop
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the unbuffered DDR4 modules need any firmware updates or re-seating over time?

No firmware is involved; the sticks are unbuffered, non-ECC DDR4 that install once into the 288-pin slots and run at 1.2 V without further intervention.

What limit appears first when the Alienware x51 R3 runs all four slots at 2133 MHz continuously?

The platform caps total memory at 64 GB, so filling all four slots reaches the capacity ceiling before speed or voltage becomes a constraint.

How much heat and noise do the bare 1.2 V DIMMs add during all-day operation?

Without heat spreaders the modules run at standard 1.2 V DDR4 power, adding negligible heat and zero acoustic noise to the system airflow.

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