311-7220 - Dell 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory

Technical Specs:
- Type: DDR2 SDRAM
- Capacity: 4GB (2 x 2GB)
- Speed: 667MHz (PC2-5300)
- Technology: Non-ECC Unbuffered
- CAS Latency: CL5
- Pin Count: 200-pin
- Rank: Dual Rank

Helpful Notes:
1. This memory kit is compatible with many Dell laptops and desktops.
2. DDR2-667MHz is a relatively slow speed by today's standards, but may be sufficient for basic computing needs.
3. Dual rank memory can improve performance in certain applications, but may not be supported by all systems.