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Alienware x51 gaming - x51,
£225.00
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Alienware area i9 9900x - alienware, i9-9900x
£1199.99
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Alienware x51 - x51, r2
£291.90
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Dell alienware x51 - dell, r2
£84.95
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Alienware x51 gaming pc - alienware,
£200.00
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Alienware x51 3770s - x51, i7
£269.99
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Dell alienware x51 3770 8gb - x51,
£160.03
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Alienware x51 3450 - alienware, r1
£94.30
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Dell alienware x51 6700 - r3,
£715.60
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Dell alienware x51 - dell,
£5.45
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Dell alienware x51 - dell, r2
£55.00
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Alienware x51 power - alienware,
£49.99
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Dell alienware x51 - alienware, pci-e
£17.00
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Alienware area i7 cpu - alienware, r2
£720.70
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Alienware x51 gtx 660 - gtx,
£260.69
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For alienware x51 r1 - for,
£124.58
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Alienware x51 4460 gtx - alienware, i5
£363.70
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New oem dell alienware x51 - new, r2
£60.99
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240w 0mm pin laptop - 7.4*5.0mm,
£47.99
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Alienware x51 240w - x51,
£48.99
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Dell alienware x51 dvd - alienware,
£25.00
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Dell ykc2x alienware x51 - ykc2x,
£19.99
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Hynix 16gb ddr4 - hynix, (2x8gb)
£61.02
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Dell alienware x51 audio - dell,
£5.45
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Dell alienware x51 led - dell,
£5.45
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Dell alienware x51 - x51, r2
£5.45
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Alienware x51 ubuntu i7 - r3,
£1026.70
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Dvd burner writer - dvd,
£35.00
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For alienware x51 ms - ,
£136.87
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330w ac adapter - 16.9a,
£95.99
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For alienware x51 m18x r1 - ,
£99.83
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For alienware x51 - for,
£74.30
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For dell alienware x51 - dell,
£58.99
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New oem dell alienware - oem,
£60.99
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For dell alienware x51 - for,
£55.74
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New genuine alienware x51 - new,
£24.99
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Dell alienware x51 usb - dell, 3
£5.45
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Pgrp5 0pgrp5 7796 - pgrp5, dell
£88.79
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For dell alienware x51 - dell, r1
£112.80
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Alienware area gaming pc - alienware, area-51
£499.99
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For dell alienware x51 - for,
£47.99
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Dell alienware x51 - r2, i7
£511.60
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Alienware x51 gaming - x51, i7
£618.69
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Dell alienware x51 - dell,
£5.40
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Boxed dell alienware x51 - dell, r3
£771.70
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Dell alienware x51 mini itx - alienware,
£109.19
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Bios chip dell alienware - dell, x51
£13.87
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New genuine alienware x51 - new,
£36.31
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Dell alienware x51 - x51, intel
£90.01
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Dell alienware x51 - dell,
£669.70
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Dell alienware x51 - dell, v2
£153.59
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Alienware x51 cables all - x51, .
£30.86
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Dell alienware x51 m18x - alienware,
£58.99
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For dell alienware x51 - alienware, r2
£59.99
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Dell alienware x51 m18x - dell,
£61.99
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New genuine for dell alienware - genuine,
£47.99
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For dell alienware x51 - dell,
£58.99
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Dell alienware x51 riser - x51,
£18.91
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New 240w power supply ac - pa-9e,
£70.78
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New dell alienware - dell, x51
£48.99
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For dell alienware - dell, m18x
£59.99
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New genuine dell 938h - genuine,
£47.99
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330w 9a dell - 19.5v,
£61.99
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240w charger for alienware - charger,
£47.99
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1pc for used - 1pc,
£143.34
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New dell alienware x51 - alienware, r2
£48.99
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New 330w 16 - new, laptop
£59.99
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Bios chip dell - dell, alienware
£13.87
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New 330w 16 92a laptop - new,
£59.99
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Adp 330ab for dell alienware - d,
£60.99
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Dell 6g6jw alienware x51 - alienware, v2
£134.16
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New dell 330w 16 - dell,
£59.99
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Adapter for dell - 19.5v,
£42.00
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New 330w 16 92a - new,
£59.99
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For dell alienware - for,
£93.60
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New backplate for - io, i/o
£15.71
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Dell alienware x51 series - dell,
£25.64
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Adapter charger for - for, dell
£59.99
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Original dell alienware x51 - alienware,
£151.05
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Adapter for dell - adapter,
£42.00
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Adapter for dell - for,
£42.00
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Dell alienware x51 - dell, power
£548.99
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For dell alienware x51 - for,
£153.49
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Adapter for dell - 19.5v,
£42.00
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Dell alienware x51 240w - dell,
£548.99
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Adapter for dell - 19.5v,
£42.00
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Dell 330w 16 9a - 330w, 16.9a
£59.99
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New backplate for - new, i/o
£21.43
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330w 9a dell - 19.5v,
£59.99
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Ultrastar 12tb sata - ultrastar,
£699.72
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Dell alienware x51 - alienware, intel
£138.49
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Ultrastar 12tb sata - 3.5",
£699.72
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Dell alienware x51 240w - alienware, ac
£348.99
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Seagate ironwolf pro - 4tb, hdd
£699.72
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Motherboard for alienware - for,
£157.36
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Alienware area gaming pc - alienware,
£567.70
Buy It Now
Looking for more alienware x51?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 alienware x51 listings currently in our index. Prices range from £5.4 to £1199.99, with an average of £178.14. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about alienware x51 →
Try this: gaming desktop i7 | gaming pc i7 | imac | mini pc | cnc machine | office job lot | powermac g4 cube | vintage hole punch | gtx 690 | embossing press
Whether you are looking for a brand-new or second-hand alienware x51, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £5.4, while premium listings can reach £1199.99 — giving you a wide budget spread to work with. The average price of £178.14 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.