Product comparison · 2 disk arrays

QNAP TR-004U/40TB-REDPRO disk array Rack (1U) Black, Grey vs QNAP TR-004U/4TB-RED disk array Rack (1U) Black, Grey

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Comparison of TR-004U/40TB-REDPRO, TR-004U/4TB-RED
23 specifications	A QNAP TR-004U/40TB-REDPRO disk array Rack (1U) Black, Grey Model TR-004U/40TB-REDPRO View product	B QNAP TR-004U/4TB-RED disk array Rack (1U) Black, Grey Model TR-004U/4TB-RED View product
Storageidentical
Storage drives installed	Yes	Yes
Installed storage drive type	HDD	HDD
Number of storage drives installed	4	4
Supported storage drive types	HDD & SSD	HDD & SSD
Number of storage drives supported	4	4
Supported storage drive interfaces	Serial ATA II, Serial ATA III	Serial ATA II, Serial ATA III
Storage drive sizes supported	2.5,3.5"	2.5,3.5"
RAID levels	0, 1, 5, 10	0, 1, 5, 10
Ports & interfacesidentical
USB connectivity	Yes	Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	1	1
Designidentical
Chassis type	Rack (1U)	Rack (1U)
Product colour	Black, Grey	Black, Grey
Number of fans	2 fan(s)	2 fan(s)
Fan diameter	4 cm	4 cm
Poweridentical
Power supply unit (PSU) capacity	100 W	100 W
Number of power supply units	1	1
AC input voltage	100-240 V	100-240 V
AC input frequency	50-60 Hz	50-60 Hz
Weight & dimensionsidentical
Width	439 mm	439 mm
Depth	291 mm	291 mm
Height	44 mm	44 mm
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.