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ATTO

ExpressSAS H644
Low-Profile 4-Internal/4-External Port 6Gb/s SAS/SATA PCIe 2.0 Host Bus Adapter

Mac / PC / Linux / SAS / PCIe
Performance Engineered
The ExpressSAS H644 provides high-speed 6Gb/s performance at 600MB/s per port. By utilizing a serial, point-to-point architecture, in addition to PCI Express 2.0 bus technology, ExpressSAS 6Gb/s HBAs are engineered for demanding IT and digital media applications which require more performance than 3Gb/s SAS/SATA can provide. The ExpressSAS H644 features four internal ports, four external ports and allows connections to 256 end-point devices.

Included with all ATTO HBAs is an easy-to-use utility enabling management, monitoring and configuration which leverages an intuitive GUI. ATTO's exclusive, field-proven Advanced Data Streaming (ADS™) Technology helps users meet the most demanding performance requirements of bandwidth-intensive applications. ADS achieves this performance increase by integrating a combination of features engineered to allow for the controlled acceleration of data transfers.

Product Specifications:

ATTO Part Number

  • ESAS-H644-000

Ports

  • One External mini-SAS Port (SFF 8088)
  • One External mini-SAS Port (SFF 8087)

Connections

  • External - Up to 128 Devices
  • Internal - Up to 128 Devices

Bus Specifications

  • PCI Express 2.0 x8

Form Factor

  • PCIe low profile

RAID Functionality

  • OS dependent

Bootability

  • PC BIOS bootability

Operating System Support

  • macOS
  • Windows
  • Linux
  • VMware

External Connectivity

  • 4x mini-SAS connector

Internal Connectivity

  • 4x mini-SAS connector

Operating Voltage

  • 8.3W (typical)

Alarm/Buzzer

  • No

Activity/Failure LED

  • No

Hot Plug Support

  • Yes

Hot Swap Support

  • Yes

Agency Approvals & Compliance

  • FCC Part 15, Subpart B, Class B
  • ICES - 003
  • EN55022: 2006 + A1: 2007, Class B
  • EN55024: 1998 + A1: 2001 + A2: 2003
  • EN60950-1
  • EU RoHS Compliant (2002/95/EC)

Dimensions

  • 5.600" x 2.731" (142.24 x 69.37 mm)

Weight

  • 0.45 lbs (204 g)

Operating Temperature (Hardware Environment)

  • +0°C ~+ 40°C

Operating Temperature (Storage Environment)

  • -40°C ~ +70°C

Relative Humidity

  • 5% ~ 95% non condensing

Warranty

Notes

  1. May also be used in external Thunderbolt expansion chassis.
Manufacturer provided specifications for ATTO p/n ESAS-H644-000 UPC#: 603175007005
ATTO ExpressSAS H644 Low-Profile 4-Internal/4-External Port 6Gb/s SAS/SATA PCIe 2.0 Host Bus Adapter Mfr P/N: ESAS-H644-000 OWC SKU: ATTESASH644000 Features four external ports, four internal ports and allows connections to 256 end-point devices. ATTO 3 Year Limited Warranty
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