Scan 3XS P55 OC review

Kat Orphanides
13 Oct 2009
Our Rating 
Price when reviewed 
inc VAT

The 3XS is perfect if you want power without any hassle, but it lacks a Blu-ray drive, and the monitor is smaller than we'd expect.



3.67GHz Intel Core i5-750, 4.000000 RAM, 22in 1,920x1,080 display, Windows 7 Home Premium 64-bit

If your top priority when choosing a Windows 7 PC is performance, Scan's 3XS P55 OC should be near the top of your list.

It may have the same Intel Core i5 750 as many of its rivals, but Scan has squeezed every last ounce of power out of it through overclocking. This makes it the fastest Core i5 PC we've ever reviewed, running at 3.67GHz, 400MHz faster than the maximum turbo boost speed of this processor.

Unsurprisingly for an overclocked PC, a huge cooler dominates the compact case. All fans are remarkably quiet, though, and the 3XS is barely audible when idle. Unfortunately, the cooler renders one of the PCI-E x1 slots useless and because the 120mm fan sits right over the top of the memory, you'll have to refit it if you want to install extra RAM into the spare slots. You're limited to standard-height memory, so modules with elongated cooling fins are out. We like the Corsair power supply, though. Its modular, flat power cables are neatly routed around the case without obstructing anything.

The MSI P55-GD65 motherboard has a second PCI-E x1 slot, but this is blocked by the double-height Nvidia GeForce GTX 275 graphics card. There's an accessible PCI-E x4 slot, though, as well as two PCI slots and an additional PCI-E x16 slot. You can use the latter for any PCI-E expansion card, or add a second Nvidia 275. The motherboard supports ATI CrossFire as well as Nvidia's SLI.

Scan usually sells PCs without a monitor, keyboard and mouse, but for this review it bundled an Iiyama ProLite E2208HDS 22in widescreen display, which is bright and sharp. You also get an excellent Logitech G5 gaming mouse and a G15 keyboard. The keyboard is superb for typing and gaming, and there are extra programmable function keys for gaming.

The 3XS P55 OC is insanely fast - quicker than some Core i7-equipped PCs. Scan provides a full one-year warranty, so you don't have to risk damaging expensive hardware by attempting to overclock a PC yourself. At £1,142, the P55 OC is a good choice if you want the very best performance, but you're paying for the privilege.

Basic Specifications

ProcessorIntel Core i5-750
Processor external bus193MHz (3.4GHz QuickPath Interconnect)
Processor multiplierx19
Processor clock speed3.67GHz
Processor socketLGA1156
Level 1 cache4x 64KB
Level 2 cache4x 256KB
Memory typePC3-12800
Maximum memory16GB
MotherboardMSI P55-GD65
Motherboard chipsetIntel P55
Power consumption standby4W
Power consumption idle83W
Power consumption active235W


USB2 ports (front/rear)2/7
Firewire ports (front/rear)0/1
eSATA ports (front/rear)0/1
Wired network ports2x 10/100/1000
Wireless networking supportnone
Other portsnone

Internal Expansion

Casemidi tower
PCI-E x1 slots (free)2 (0)
PCI-E x16 slots (free)2 (1)
Free Serial ATA ports2
Free memory slots2
Free 3.5in drive bays5

Hard Disk

Hard disk model(s)Samsung HD103UJ
InterfaceSATA 300
Total storage capacity1,000GB
Spindle speed7,200rpm


Graphics card(s)896MB Nvidia Geforce GTX 275
Graphics/video ports2x DVI, TV out


SoundRealtec ALC889
Sound outputs7.1 line out, coaxial S/PDIF out, optical S/PDIF out

Removable Drives

3.5in floppy driveno
Supported memory cardsSD, SDHC, MMC, Memory Stick Pro/Duo, CF, CF II, MicroDrive, M2, MicroSD, SIM
Optical drive modelHL-DT-ST GH22NS50
Optical drive type(s)DVD+/-RW +/-DL


Viewable size22 in
Screen modelIiyama ProLite E2208HDS
Native resolution1,920x1,080
Response time2ms
Screen inputsDVI, VGA

Other Hardware

KeyboardLogitech G15
MouseLogitech G5 Laser Mouse


Software includedCyberLink PowerDVD 9
Operating systemWindows 7 Home Premium 64-bit
Operating system restore optionWindows disc

Buying Information

Warrantyone year RTB

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