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24 November 2020 - SCSI2SD V5.2 is available for purchase today. Assembled in Canada

30 October 2020 - SCSI2SD V5.5 is available for purchase today, with a translucent/frosted, injection-molded ABS enclosure

European Customers, we now have a distributor of SCSI2SD V5.5 in the UK

SCSI2SD V6 boards in stock

SCSI2SD model
V5.1 (discontinued)
SCSI2SD V5.2

V5.5

V6
SD card slot full size microSD full size
SD card interface Full-size, tested up to 256GB. Communication is via the SPI protocol at 25MHz (3MB/s theoretical max)
SCSI Interface SCSI-2 Narrow 8-bit 50-pin IDC
connector,
Optional DB25 female socket
Supports asynchronous transfers only.
SCSI-2 Narrow 8-bit
50 IDC pin connector

Supports asynchronous transfers only.
Male DB-25 socket


Supports asynchronous transfers only.
SCSI-2 Narrow 8-bit 50 IDC pin connector
FAST10 (10MB/s) synchronous transfer.
SCSI Termination Software controlled active termination, via scsi2sd-util Active terminator, always on
Dimensions 10cm x 9cm x 1.5cm 7.5cm x 5.5cm x 1.8cm (External case) 10cm x 9cm x 1.5cm
Performance Up to 2.6MB/s read, 2.3MB/s write

(1.1MB/s on most older SCSI hosts)
Up to 1MB/sec Up to 10MB/s
USB Interface Firmware updates and configuration
USB 2.0 micro-B
Firmware updates, configuration, and mass-storage
USB 2.0 micro-B. Mass-storage at USB 2.0 FS speeds (1.2MB/s max)
Power 5V via:
* standard 4-pin floppy-drive connector
* micro USB
* self-powered using the SCSI host termination power

5V via:
* standard 4-pin floppy-drive connector
* micro USB
* self-powered using the SCSI host termination power
* Regulated 5V via optional DC barrel jack.
Self-powered using the SCSI host termination power,
or via USB. 2.35W maximum (500mA)

To function without external power via USB, requires SCSI host that
supplies terminator power on pin 25 of the DB25 socket
5V via standard 4-pin floppy-drive connector, USB,
or self-powered using the SCSI host termination power

Current Draw 2.35W maximum (500mA)

The latest SCSI2SD V5 firmware version 4.8.4 is now available for download at http://scsi2sd.com/v5/files/v4.8.4/firmware