Adaptec AAR-2400A 4-Channel ATA-100 PCI RAID Controller
Vintage Adaptec AAR-2400A hardware RAID controller card. 32-bit PCI form factor, four independent ATA-100 IDE channels, with the 32MB SDRAM cache DIMM installed (Micron MT5LSDT472AG-10CE6) — this module is often missing on these cards.
Key specs
- Adaptec AAR-2400A (board label Z400A, ASSY 1871604)
- 32-bit PCI host interface
- 4 internal IDE/PATA ATA-100 channels (supports up to 8 drives in RAID 0/1/5/10/JBOD configurations depending on firmware)
- 32 MB SDRAM cache (DIMM included & installed)
- Assembled in Singapore
Condition
Used pull. Light surface dust, no visible damage to PCB, components, or connectors. Untested — no PCI host system available to verify operation. Sold AS-IS / for parts or not working.
What's included
- AAR-2400A card with 32MB cache DIMM installed
What's NOT included
- IDE cables
- Driver/software media
- Manual or original packaging
- Low-profile bracket
Good for
Vintage PC/workstation builds, retro server projects, ATA RAID research, period-correct restorations of early-2000s tower PCs, or as a parts donor.
Shipping & returns
Ships USPS Ground Advantage from California in anti-static bag with bubble wrap padding. US shipping only. Sold AS-IS — no returns. Please review photos and ask questions before buying.
