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Green PCB add-on card with silver bracket and two external SFF-8088 ports

eshinreal

eshinreal PCIe 3.0 x8 SAS/SATA Expansion Card SFF-8088 SAS 3008

SKU CH-5421-WX7JT

Adds dual SFF-8088 external ports for 12Gbps SAS/SATA drives via a PCIe 3.0 x8 SAS 3008 controller with hot-plug support

  • Product typeController Card
  • Dual SFF-8088 ports connect external SAS/SATA enclosures
  • SAS 3008 controller delivers 12Gbps per lane throughput
  • PCIe 3.0 x8 interface provides high-bandwidth host connection
  • Hot-plug support enables drive maintenance without system downtime
  • Hardware RAID and IT modes suit diverse storage architectures

External SAS3 Connectivity

This expansion card adds dual SFF-8088 ports to a workstation or server, each providing four lanes for SAS or SATA drives. The SAS 3008 controller runs every lane at 12Gbps while remaining backward compatible with 6Gbps devices. It targets administrators who need high-speed external storage arrays without internal drive bays.

PCIe 3.0 x8 Host Interface

The card occupies a PCIe 3.0 x8 slot and delivers 8GB/s full-duplex bandwidth to the host, removing bottlenecks for multi-drive enclosures. It also functions in PCIe 2.0 slots at reduced throughput, so older platforms can still attach external shelves. Hot-plug support allows drive swaps without system downtime.

Capacity and Headroom

Eight total lanes comfortably serve JBOD or hardware RAID configurations up to RAID 60, while IT mode passes disks directly to ZFS, UnRAID or Ceph for software-defined storage. The practical limit is the eight lanes themselves; larger arrays would require additional controllers or wider host interfaces. T10 PI checksums and SMART monitoring protect data integrity across all attached drives.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $105.99
Pricier than about 85% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typeController Card

Questions about this item

Should I choose the IR RAID mode or the IT HBA mode for this SAS 3008 card?

Choose IR mode for hardware RAID 0/1/5/6/10/50/60 with optional cache protection, or IT mode for direct disk passthrough to software stacks such as ZFS or UnRAID.

What does the 12Gbps per lane figure mean once the card is installed in a real machine?

Each of the eight lanes can transfer up to 12Gbps, so a full eight-lane external array can sustain multi-drive throughput without saturating the PCIe 3.0 x8 host link.

The card uses a PCIe 3.0 x8 interface; what does that cap in practice?

The host slot provides 8GB/s full-duplex bandwidth; in a PCIe 2.0 slot the same card will run at the lower 2.0 speeds instead.

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