BRAINZAP 4GB (2x2GB) DDR2 800MHz PC2-6400S-666 SO-DIMM CL6 2Rx8 1.8V Unbuffered Non-ECC RAM Memory Module Memory Module Memory
33% cheaper per GB than the average 4GB kit we track.
Specification
| Capacity | 4GB (2x2GB) |
| Speed | 800MHz |
| Form factor | SO-DIMM |
| ECC | Non-ECC |
| Buffered | Unbuffered |
| For | Server |
| Brand | BRAINZAP |
| ASIN | B0B2WYM1Y1 |
Price history
30-day avg £27.0790-day avg £25.44180-day avg £25.44 All-time low £23.63 (2026-07-05)
Cheaper per GB in the same spec
Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›
| £/GB | Price | Capacity | Manufacturer | For | Type | Form Factor | ECC / Buffered | Description | |
|---|---|---|---|---|---|---|---|---|---|
 | £3.22best £/GB | £12.88 | 4GB (2x2GB) | D DUOMEIQI | Mac | SO-DIMM 800MHz | Non-ECCUnbuffered | ||
 | £3.47 | £13.88 | 4GB (2x2GB) | Rasalas | Mac | SO-DIMM | Unbuffered | ||
 | £3.50 | £13.99 | 4GB (2x2GB) | Rasalas | Mac | SO-DIMM | Unbuffered | ||
 | £3.70 | £14.80★ | 4GB | SK Hynix | Laptop | SO-DIMM 1333MHz | Unbuffered | ||
 | £3.75 | £14.99 | 4GB (2x2GB) | D DUOMEIQI | Mac | SO-DIMM | Non-ECCUnbuffered | ||
 | £5.22 | £20.87 | 4GB | OFFTEK | Laptop | SO-DIMM | - |
About this kit
- COMPATIBILITY – 4GB DDR2 SO-DIMM memory with 800 MHz: backward compatible to 667 MHz, 533 MHz and 400 MHz, automatically adapts to slower systems and runs in virtually any motherboard with matching DDR2 memory slot.
- PERFORMANCE – JEDEC Specification PC2-6400S-666, Latency CL6, Voltage 1.8V: Dual-Rank 2Rx8, Unbuffered Non-ECC SO-DIMM Memory for stable performance and maximum device compatibility.
- Quality - Original brand chips from well-known manufacturers on a high-quality 8-level board with gold-plated contacts for best signal quality and a long service life.
- Areas of use: The ideal memory upgrade for notebooks, laptops and compact systems (e.g. The module is automatically detected and requires no BIOS update.
- German brand - BRAINZAP is a German brand with German support from Germany. Your memory is delivered in an innovative cardboard packaging with 95% less plastic - plastic-reduced and fully recyclable, without unnecessary packaging waste.
Our 4GB DDR2 SO-DIMM RAM memory kit (consisting of 2 modules with 2 GB each) with the article number BS-D2-4GK2-SO-800-N is manufactured to strict quality standards and thoroughly tested before delivery. Operation is with 1.8 V. The memory frequency of the memory is 800 MHz and is backwards compatible with 667 MHz, 533 MHz and 400 MHz. Our RAM modules are 100% compliant with JEDEC specifications. The memory modules are programmed with the JEDEC specification PC2-6400S-666. The memory latency is CL6. The memory modules are organized as dual rank (2Rx8) for maximum compatibility. Plus, the RAM is unbuffered and non-ECC, so it runs smoothly in most devices. Technical details: Item number: BS-D2-4GK2-SO-800-N. EAN: 4262360570197. Memory type: DDR2 Type: SO-DIMM (200-pin). Total capacity: 4 GB (2 x 2 GB). Memory frequency: 800 MHz JEDEC Specification: PC2-6400S-666 Latency: CL6. Voltage: 1.8 V. Chip Organization: Dual Rank (2Rx8) ECC: Non-ECC Buffered/Registered: Unbuffered Compatibility: Backwards compatible with 667MHz, 533MHz and 400MHz Areas of use: notebooks, laptops and compact systems (e.g. Mini PCs and NUCs) Whether as a RAM upgrade or as a replacement for existing memory, more memory makes your system noticeably faster: shorter load times, smoother multitasking and more reserves for demanding applications. For our RAM modules, we only use original brand chips from well-known manufacturers on 8-level boards with gold-plated contacts. Each memory module is individually tested before delivery.
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