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Four green DDR4 DIMM sticks in anti-static bag

Computer Memory Solutions

Computer Memory Solutions 32GB (4x8GB) DDR4 2400 CL17 memory upgrade C119

SKU CH-A21J-MVYB7

32 GB DDR4 kit with four 8 GB unbuffered DIMMs at 2400 MHz CL17 for Gigabyte X99 motherboards

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 32GB total capacity across four matched 8GB modules
  • DDR4 2400 speed rated at PC4 19200 for responsive throughput
  • CL17 17-17-17 timings tuned for stable low-latency operation
  • 2V unbuffered non-ECC design runs cool without a heat spreader
  • Guaranteed compatible with Gigabyte X99 UD4 UD4P UD5 UD7 Ultra Gaming motherboards

32 GB DDR4 kit for Gigabyte X99 boards

This 32 GB kit contains four 8 GB DDR4 modules rated at 2400 MHz with CL17 timings. It is built specifically for Gigabyte GA-X99-UD4, GA-X99-UD4P, GA-X99-UD5 WiFi, GA-X99-UD7 WiFi and GA-X99-Ultra Gaming motherboards. The unbuffered, non-ECC DIMMs operate at 1.2 V and use a 288-pin interface. Buyers needing registered or ECC memory should look elsewhere.

Steady throughput at rated frequency

Each module runs at DDR4 2400 (PC4 19200) with 17-17-17 timings under continuous load. The 2Rx8 organisation supports the platform's quad-channel architecture across all four slots. No heat spreaders are fitted, so airflow across the sticks determines sustained stability. Systems limited to a 32-bit operating system will not address the full capacity.

Low-voltage operation without active cooling

The 1.2 V supply keeps power draw modest during typical workloads. Passive cooling relies entirely on case airflow moving over the bare circuit boards. Acoustic output is limited to the surrounding system fans. The kit occupies four of the eight available DIMM slots, leaving room for future expansion up to the platform maximum of 128 GB.

How it compares

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

Price $147.99
Cheaper than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $4.62 per GB
Cheaper than about 81% 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 nameCM1024642400DIMM
Total capacity32 GB (4 × 8 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte GA-X99-UD4, GA-X99-UD4P, GA-X99-UD5 WiFi, GA-X99-UD7 WiFi, GA-X99-Ultra Gaming Motherboards
In the box
Included items4 Memory RAM Sticks

Questions about this item

Does the 1.2 V rating on these four DDR4 DIMMs keep heat and power draw low during sustained workloads?

Yes — each module runs at the standard 1.2 V DDR4 voltage, so total power draw stays modest and the unbuffered design adds no extra heat-generating circuitry.

My Gigabyte GA-X99-Ultra Gaming board has eight DDR4 slots — can I fill all four remaining slots with this 32 GB kit?

The kit provides exactly four 288-pin DIMMs, matching the four empty slots on an eight-socket X99 board, and the board supports up to 128 GB total.

Will the CL17 timing on these 2400 MHz modules force the board to run slower than the XMP profile of my existing DDR4 kit?

All sticks in this kit share identical 17-17-17 timing at 2400 MHz, so the memory controller will apply a single common speed and latency across every populated slot.

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