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Two green DDR3 DIMM sticks without heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM2566410600DIMM1R8 4GB (2x2GB) DDR3 1333 CL9 1.5V

SKU CH-ZTK9-N8H22

A 4 GB DDR3 kit (two 2 GB sticks) running at 1333 MHz CL9 1.5 V, validated for Gateway SX 2803 desktops

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • 4GB dual-channel kit boosts multitasking on Gateway SX2803 desktops
  • DDR3 1333 MHz CL9 timing matches factory spec for stable operation
  • 5 V unbuffered non-ECC DIMMs install without BIOS changes
  • Two 2 GB modules fill both slots for maximum 8 GB support
  • Major-brand chips backed by manufacturer lifetime exchange warranty

Targeted DDR3 upgrade

This 4 GB kit contains two 2 GB DDR3-1333 modules built for Gateway SX2803 desktops. Unbuffered non-ECC DIMMs with CL9 timing install directly into the two available slots. Major-brand chips are tested for the listed models. No heat spreader is fitted.

Standard voltage operation

Each stick runs at the JEDEC 1.5 V specification for DDR3 1333. Unbuffered design keeps electrical load low on the memory controller. Passive cooling relies on case airflow; no fan or spreader adds noise. Power draw stays within normal DDR3 limits for this density.

System-specific compatibility

Guaranteed to work in Gateway SX2803-25E, SX2803-53 and SX2803-UB20P desktops. Maximum supported memory for these systems is 8 GB, so this 4 GB kit fills half the capacity. Buyers needing the full 8 GB limit or a different platform should look elsewhere.

How it compares

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

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2566410600DIMM1R8
Total capacity4 GB (2 × 2 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsGateway Sx Desktop Sx2803-25E Sx2803-53, Sx2803-Ub20P
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 240-pin DDR3 modules in my Gateway SX2803 desktop, and which step do people often miss?

Power off the system, open the chassis, align each 240-pin DIMM with the slot notch, press firmly until both side clips click, then verify the BIOS shows 4 GB at 1333 MHz. The step most often missed is seating both clips fully — one click is not enough.

What maintenance or replacement will this 2×2 GB DDR3 kit need over time?

No routine maintenance is required for unbuffered DDR3 DIMMs; keep interior dust-free and ensure case airflow stays adequate. Replacement is only needed if a module fails or you upgrade to the platform maximum of 8 GB using the two available slots.

What limit appears first when this CL9 1.5 V DDR3 memory runs under sustained load?

The primary limit is the fixed DDR3-1333 data rate and CL9 latency; bandwidth and timing cannot increase beyond the JEDEC PC3-10600 specification, so throughput caps at that level regardless of workload duration.

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