Power supplies for SyQuest EZ135 and EZFlyer drives

Low-Cost High-Performance Removable Storage

Buyer's Guide

Power supplies for SyQuest EZ135 and EZFlyer drives

An external EZ135 or EZFlyer drive draws power from an AC electrical outlet, through a special power adapter like the ones listed here. See the tips below for help in choosing the one that's right for you.

All power supplies listed here have the following specs in common:

Input: 120 V @ 60 Hz through a standard symmetrical 2-pin plug
Output: 5 V DC through a special cylindrical 3-pin connector These power supplies are for use only with standard 120-Volt AC outlets in the United States. SyQuest has also sold EZ135/EZFlyer-compatible power supplies for international use, but I don't have any of those in stock.

Style Model No. SyQuest
Part No. Electrical current rating Photo Price

Input Output Regular With drive*

1-piece wall mount APS48ER-110 107821-001 200 mA 1 A $7.50 used $5.00 used
(with EZ135
drive only)

WAD-0520-A 107821-001 300 mA 1.5 A $12.00 used $9.00 used

1-piece desk mount IMP5V2AS1 110375-001 0.3 A 1.5 A
(2 A Surge) $14.95 new $12.00 new

110375-002 0.3 A 1.0 A
(2 A Surge) photo not available $12.95 like new $10.00 like new

N/A (generic clone) 0.3 A 1.5 A $8.50 new $6.00 new

* Special price for a power supply shipped together with an external EZ135 or EZFlyer drive (bought at auction or privately). Limit one power supply per drive at this price.

Style	Model No.	SyQuest Part No.	Electrical current rating	Photo	Price
Input	Output	Regular	With drive*
1-piece wall mount	APS48ER-110	107821-001	200 mA	1 A		$7.50 used	$5.00 used (with EZ135 drive only)
WAD-0520-A	107821-001	300 mA	1.5 A		$12.00 used	$9.00 used
1-piece desk mount	IMP5V2AS1	110375-001	0.3 A	1.5 A (2 A Surge)		$14.95 new	$12.00 new
110375-002	0.3 A	1.0 A (2 A Surge)	photo not available	$12.95 like new	$10.00 like new
N/A (generic clone)	0.3 A	1.5 A		$8.50 new	$6.00 new

Choosing a power supply

Bear in mind that wall-mounted units can be inconvenient. The transformer (the bulky part) of a wall-mounted unit plugs directly into an outlet, which is clumsy and can obstruct adjacent outlets. A desk-mounted unit (model IMP5V2AS1), which has an input cable as well as an output cable, can be placed where you want and is usually preferable for this reason.

EZ135 users: Most of the external EZ135 drives that I've seen came with an APS48ER-110 power supply, but the others listed here are compatible and are actually more robust (according to their current ratings). Buying a power supply with a higher current rating will allow you to upgrade with confidence to a 230 MB EZFlyer drive in future. However, if you want a wall-mounted unit, notice that the WAD-0520-A is bulkier than the other models (all 4 photos above are at the same scale).
EZFlyer users: The EZFlyer drive has a 1.2 Amp peak current rating. Most of the external EZFlyer drives that I've seen came with an IMP5V2AS1 power supply. If for some reason you want a wall-mounted power adapter, use the WAD-0520-A, because the APS48ER-110 has a lower current rating and was probably never shipped with EZFlyer drives.

Plugging your power supply into a surge protector instead of directly into a household outlet will help to protect the power supply and drive from electrical surges.

For more information

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