PriceSpy UK
Impartial price comparison

QNAP QM2-4P-284 vs. Broadcom SAS 9305-24i + 9

QNAP QM2-4P-284

QNAP QM2-4P-284

£117.56

Free delivery
Broadcom SAS 9305-24i

Broadcom SAS 9305-24i

£479.00

Free delivery
DeLock 89582

DeLock 89582

£103.81

Free delivery
StarTech PEXUSB3S24

StarTech PEXUSB3S24

£22.46

£24.46 Incl. delivery
Asus Hyper M.2 X16

Asus Hyper M.2 X16

£33.64

£37.15 Incl. delivery
LSI SAS 9300-8I

LSI SAS 9300-8I

£155.00

Free delivery
StarTech PEXUSB3S25

StarTech PEXUSB3S25

£21.40

Free delivery
StarTech PEX1394A2V2

StarTech PEX1394A2V2

£25.76

£26.55 Incl. delivery
StarTech PEXUSB3S4V

StarTech PEXUSB3S4V

£34.74

Free delivery
Sonnet Allegro USB3

Sonnet Allegro USB3

£54.00

£59.47 Incl. delivery
StarTech PEXESAT32

StarTech PEXESAT32

£27.01

£31.09 Incl. delivery
Operating system
Linux
Linux, Windows 7, Windows 8
Linux, Windows Vista, Windows XP, Windows 7, Windows 8
Linux, Windows Vista, Windows 2000, Windows XP
Linux, Windows Vista, Windows XP, Windows 7, Windows 8
Windows Vista, Windows 2000, Windows XP, Windows 7, Windows 8
Windows Vista, Windows XP, Windows 7, Windows 8
Linux, Windows Vista, Windows XP, Mac OS X, Windows 7, Windows 8
IDE connectors
No
No
No
No
SAS connectors
Yes
Yes
No
No
Yes
No
No
SATA (Serial ATA)
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
eSATA
0 ​
0 ​
0 ​
2 ​
FireWire
No
No
No
No
No
No
Yes
No
No
No
Total number of ports (internal + external)
24 ​
2 ​
2 ​
4 ​
8 ​
2 ​
2 ​
4 ​
4 ​
2 ​
USB
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Type of USB connector
USB (Type C)
USB (Type A)
USB (Type A)
USB (Type A)
USB (Type A)
USB 2.0
0 ​
USB 3.1 Gen 1 (5Gbps)
2 ​
2 ​
4 ​
4 ​
USB 3.2 Gen 2 (10Gbps)
2 ​
0 ​
USB 3.2 Gen 2x2 (20Gbps)
0 ​
Built-in cache
No
No
Interfaces
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express
PCI Express version
2.0
3.0
3.0
3.0
3.0
2.0
Type of PCI-Express
PCI-Express x1
PCI-Express x1
PCI-Express x16
PCI-Express x8
PCI-Express x1
PCI-Express x1
PCI-Express x1
PCI-Express x1
Low profile
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Yes
RAID
Yes
No
Yes
No
No
No
Yes
Type of RAID
RAID 0, RAID 1
Type of controller cards
M.2
SATA 1.5Gb/s, SAS, SATA 3.0Gb/s, SATA 6.0Gb/s
USB 2.0, USB 3.1 Gen 1 (5Gbps), USB 3.2 Gen 2 (10Gbps)
USB 2.0, USB 3.1 Gen 1 (5Gbps)
M.2
SATA 1.5Gb/s, SAS, SATA 3.0Gb/s, SATA 6.0Gb/s
USB 2.0, USB 3.1 Gen 1 (5Gbps)
FireWire 400
USB 2.0, USB 3.1 Gen 1 (5Gbps), M.2
USB 2.0, USB 3.1 Gen 1 (5Gbps)
SATA 1.5Gb/s, SATA 3.0Gb/s, SATA 6.0Gb/s, eSATA