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Green PCI Express card with two red SATA ports and a DIP switch block

CoolGear

CoolGear SS-SA2R SATA PCI Express RAID expansion card

SKU CH-Z9BZ-H7WM0

Adds two SATA II ports with RAID 0, 1, 0+1 and 5 support over Port Multipliers via a single PCI Express lane

  • Internal USB ports1 x SATA
  • External connectors1 x SATA
  • Internal ports1 x SATA
  • Product typePCI Express to SATA Card
  • Add two SATA drives with 3.0Gb/s speed using dual Serial ATA II channels
  • Choose RAID 0, 1, 0+1 or RAID 5 via dip-switch BIOS selection
  • Native Command Queuing and Legacy Command Queuing boost drive responsiveness
  • SiI3132 controller handles 2.5Gb/s PCI Express lane for stable throughput
  • Port Multiplier support lets you expand storage beyond the two onboard ports

Two-channel SATA RAID adapter

The CoolGear SS-SA2R adds two SATA II ports to any system with a free PCI Express slot. A Silicon Image SiI3132 controller drives both channels at up to 3.0Gb/s and handles RAID 0, 1, 0+1 or RAID 5 when a port multiplier is used. The card ships new and includes a dip-switch to enable or disable the onboard RAID BIOS.

Fits a single PCI Express lane

Installation consumes one PCI Express lane running at 2.5Gb/s and provides one internal and one external SATA connector. Legacy Command Queuing and Native Command Queuing are both supported, so the host can issue multiple commands without extra driver overhead. FIS-based switching lets a port multiplier share the link efficiently.

Replaces a single-port or non-RAID SATA card

Builders moving from a basic single-channel adapter gain a second drive connection and hardware RAID levels without adding a second bracket. The jump is worthwhile when mirrored or striped arrays are needed but a full hardware RAID controller is not justified. Systems limited to 1.5Gb/s SATA see a throughput increase to 3.0Gb/s.

How it compares

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

Price $10.99
Cheaper than about 91% of the 891 comparable items (median $30.99).

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Specifications

Product
Model nameSS-SA2R
Product typePCI Express to SATA Card
Ports & slots
Internal USB ports1 x SATA
External connectors1 x SATA
Internal ports1 x SATA

Questions about this item

What bandwidth ceiling does the PCI Express 1-lane link impose on the SS-SA2R during sustained transfers?

The card uses a 1-lane 2.5Gb/s PCI Express connection, so total throughput cannot exceed that link speed even though each SATA channel can reach 3.0Gb/s.

How much heat or noise does the SS-SA2R generate when it runs all day in a RAID array?

The SiI3132 controller is passively cooled with no fan, so it adds only a small amount of warmth and no audible noise during continuous operation.

What must already be inside the PC for the SS-SA2R to function?

A free PCI Express slot and at least one SATA drive are required; the card provides two SATA II ports and a dip-switch for RAID or non-RAID mode.

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