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HP 372953-B21 vs. StarTech PEX4SFF8643 + 9

HP 372953-B21

HP 372953-B21

Unknown delivery cost
StarTech PEX4SFF8643

StarTech PEX4SFF8643

$37.84

$64.90 incl. shipping
StarTech MPEX4S552

StarTech MPEX4S552

$177.47

$178.45 incl. shipping
Orico PDM2

Orico PDM2

$33.68

Unknown delivery cost
SilverStone ECM20

SilverStone ECM20

$45.00

$51.91 incl. shipping
Asus USB 3.1 UPD Panel

Asus USB 3.1 UPD Panel

$49.00

Unknown delivery cost
Synology M2D20

Synology M2D20

$348.99

$444.95 incl. shipping
StarTech PEX4M2E1

StarTech PEX4M2E1

$49.89

$56.10 incl. shipping
StarTech PEXSAT34RH

StarTech PEXSAT34RH

$124.76

$150.69 incl. shipping

Orico PSM2

$23.07

$32.58 incl. shipping
SilverStone ECM21

SilverStone ECM21

$32.50

$41.46 incl. shipping
Operating system
Linux, Windows 2000
Linux, Windows Vista, Windows 2000, Windows XP, Windows 7
Linux, Windows 2000, Mac OS X, Windows 7, Windows 8
Linux, Windows Vista, Windows 2000, Windows XP, Windows 98/ME, Mac OS X, Windows 7, Windows 8
Linux, Windows 7, Windows 8
Mac OS X, Windows 7, Windows 8
IDE connectors
No
No
No
No
No
SAS connectors
No
No
No
No
No
SATA (Serial ATA)
Yes
No
Yes
No
Yes
Yes
eSATA
0 ​
0 ​
FireWire
No
No
No
No
No
No
No
Total number of ports (internal + external)
6 ​
4 ​
2 ​
2 ​
1 ​
4 ​
1 ​
USB
No
No
Yes
No
No
Type of USB connector
USB (Type C)
USB 2.0
0 ​
USB 3 Gen 1 (5Gbps)
0 ​
USB 3 Gen 2 (10Gbps)
2 ​
USB 3 Gen 2x2 (20Gbps)
Built-in cache
Yes
No
No
No
Interfaces
PCI-X
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express version
1.1
3.0
2.0
Type of PCI-Express
PCI-Express x4
PCI-Express x4
PCI-Express x1
PCI-Express x4
PCI-Express x2
PCI-Express x4
Type of PCI-X
Low profile
Yes
No
Yes
No
Yes
Yes
Yes
Yes
RAID
Yes
Yes
No
No
Yes
Type of RAID
RAID 1
RAID 0, RAID 1, RAID 10
RAID 0, RAID 1, RAID 10
Type of controller cards
SATA 1.5Gb/s
M.2
RS-232 (Serial)
M.2
SATA 1.5Gb/s, SATA 3.0Gb/s, SATA 6.0Gb/s, M.2
USB 2.0, USB 3 Gen 1 (5Gbps), USB 3 Gen 2 (10Gbps)
M.2
USB 2.0, M.2
SATA 1.5Gb/s, SATA 3.0Gb/s, SATA 6.0Gb/s, eSATA
M.2
M.2