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A green circuit board with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM2048642400SO 16GB DDR4 2400 SODIMM C107

SKU CH-ENT8-QP477

16 GB DDR4 SODIMM running at 2400 MHz CL17 for select Dell Inspiron laptops and all-in-ones

  • Total capacity16 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 16 GB DDR4 module upgrades compatible Dell Inspiron systems
  • 2400 MHz speed with CL17 timing delivers responsive performance
  • 2 V operation reduces power draw and heat
  • 260-pin SODIMM form factor fits laptop and all-in-one slots
  • Single 16 GB stick allows flexible capacity up to 32 GB

Targeted DDR4 SODIMM upgrade

This 16GB DDR4 2400MHz SODIMM module is built for owners of the Dell Inspiron 15 7577 Gaming, Inspiron 17 7778 and Inspiron 24 5475 who need a single-stick memory increase. The 260-pin unbuffered non-ECC design matches the factory specification for these models.

Practical limits of DDR4 2400 SODIMM

The JEDEC DDR4 2400 standard caps transfer rates at 19200 MB/s per module, so this stick cannot exceed that bandwidth regardless of the system. CL17 latency and 1.2V operation are fixed by the specification, and the platform’s two-slot, 32GB maximum means a second identical stick is required for dual-channel performance.

Replacing lower-capacity DDR4 SODIMMs

Swapping an 8GB or 4GB DDR4 2400 SODIMM for this 16GB unit doubles or quadruples capacity in one slot, leaving the second slot free for a future match. The jump is worth it when the workload regularly exceeds the current memory ceiling, but it adds no benefit if the system already runs two 16GB modules at the 32GB limit.

How it compares

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

Price $80.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.06 per GB
Cheaper than about 76% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048642400SO
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
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 systemsDell Inspiron 15 (7577) Gaming, Inspiron 17 (7778), Inspiron 24 (5475)
In the box
Included items1Memory Ram Stick

Questions about this item

Is this a single 16 GB module or a kit of two 8 GB sticks?

This is a single 16 GB SODIMM, so one stick fills one slot and leaves the second slot open for another module if you want to reach the 32 GB maximum.

The module is rated at 2400 MHz; will it actually run at that speed in my Dell Inspiron 15 7577?

The system’s memory controller tops out at 2133 MHz, so the stick will downclock to 2133 MHz automatically while keeping the CL17 timings.

Does the 260‑pin DDR4 SO‑DIMM interface limit the bandwidth compared to a desktop DIMM?

The 260‑pin SO‑DIMM form factor carries the same 64‑bit data path as a desktop DIMM, so the practical ceiling is the 2133 MHz speed the laptop supports, not the pin count.

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