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AMD Ryzen 9 5900X - 12 Core 24 Thread - PCIe 4.0 Desktop Processor

PhoneUsLtd

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£206.99

From £9.77 per month for 24 months with *

Condition:

Used

“Used Grade B, slight wear and tear, all accessories included in the original box”

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Located in: London, United Kingdom

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eBay item number:226643044453

Last updated on 13 May, 2025 14:31:22 BSTView all revisionsView all revisions

Item specifics

Condition: Used

Seller notes: “Used Grade B, slight wear and tear, all accessories included in the original box”

EAN: 0730143312738

Brand: AMD

L2 Cache: 6 MB

Socket Type: Socket AM4

L3 Cache: 64 MB

Clock Speed: 3.7 GHz

Processor Model: AMD Ryzen 9 5900X

MPN: 100-100000061WOF

Processor Type: Ryzen 9

Number of Cores: 12

About this product

Product Identifiers

Brand

AMD

MPN

100-100000061WOF

EAN

0730143312738

eBay Product ID (ePID)

27041987087

Product Key Features

Socket Type

Socket AM4

Processor Type

Ryzen 9

Number of Cores

L3 Cache

64 MB

Clock Speed

3.7 GHz

Processor Model

AMD Ryzen 9 5900X

L2 Cache

6 MB

Additional Product Features

Boost Clock Speed

4.8 GHz

Item description from the seller

Seller business information

I certify that all my selling activities will comply with all EU laws and regulations.

VAT number: GB 314076528

CRN: 11532765

About this seller

Joined May 2018

Registered as a business seller

Welcome to Phone UsCustomer satisfaction is our priority. That’s why as well as selling great productsWe offer Free & Fast Shipping as well as 30 Day free returns.

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Detailed seller ratings

Average for the last 12 months

Accurate description

4.8

Reasonable postage cost

5.0

Delivery time

5.0

Communication

5.0

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4.9

33 product ratings

31 users rated this 5 out of 5 stars
2 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
0 users rated this 2 out of 5 stars
0 users rated this 1 out of 5 stars

Performs well

Reliable

Easy to install

Most relevant reviews

See all 28 reviews

by aramidpants
20 Mar, 2022Most favourable review
Amazing CPU. I paid the great price of £360 for it too, so really happy with purchase.
Fantastic purchase. Got it for my working PC, which I use for code compilation. Upgraded from 3300x and the difference is incredible. Running on a cheapo itx x470nh (which only has a 4-pin CPU power socket and it runs perfectly fine at 4.2GHz all day long. I haven't tried higher at this point, as I'm running it in an ITX case on a basic AMD fan, so I don't want to push it. To my surprise, it appears to run cooler than another 3600x that I used to also own, so am very happy with my purchase. It has improved my productivity each day, and it's also allowed me to be more focused at work, since code compilations are almost instant, and allow me to keep my train of thought, rather than getting side-tracked by other stuff whilst I'm waiting for basic tasks to finish. I'd recommend this to anyone ... Fantastic purchase. Got it for my working PC, which I use for code compilation. Upgraded from 3300x and the difference is incredible. Running on a cheapo itx x470nh (which only has a 4-pin CPU power socket and it runs perfectly fine at 4.2GHz all day long. I haven't tried higher at this point, as I'm running it in an ITX case on a basic AMD fan, so I don't want to push it. To my surprise, it appears to run cooler than another 3600x that I used to also own, so am very happy with my purchase. It has improved my productivity each day, and it's also allowed me to be more focused at work, since code compilations are almost instant, and allow me to keep my train of thought, rather than getting side-tracked by other stuff whilst I'm waiting for basic tasks to finish. I'd recommend this to anyone needing a cheapish performant CPU for productivity work. It's fantastic.
Verified purchase: YesCondition: NewSold by: ebuyer_uk_ltd
by lyhos_5
06 Oct, 2021
Awesome
Boost to 4.95Ghz out of the box, which is nice. Games? No problem. Productivity? No problem? It does need to be paired with a solid cooler as it can run hot. With the NZXT X63 (280mm AIO) my max temp has been 74C during extended gaming, so you can probably get away with a little less cooling performance and still keep it under 90C. I haven't run bench marks and I don't intend to overclock, so I am not sure how much thermal/power head room there is for overclocking. Overall a great product if you're looking for a top tier CPU but want to save a few bucks off the 5950X. Boost to 4.95Ghz out of the box, which is nice. Games? No problem. Productivity? No problem? It does need to be paired with a solid cooler as it can run hot. With the NZXT X63 (280mm AIO) my max temp has been 74C during extended gaming, so you can probably get away with a little less cooling performance and still keep it under 90C. I haven't run bench marks and I don't intend to overclock, so I am not sure how much thermal/power head room there is for overclocking. Overall a great product if you're looking for a top tier CPU but want to save a few bucks off the 5950X.
Verified purchase: YesCondition: Pre-ownedSold by: dns-67
by captainstrange
26 Apr, 2021
Stunning speed
This processor is stunningly fast, both in single-core or highly threaded workloads. It often has several cores running at above 4.9GHz when running programs that require only a few cores. Even when running an app that stretches all cores, like Cinebench, it can usually have several cores running at over 4GHz whilst the rest run closer to the stated base frequency. Indeed, it is possible to run something like Cinebench in the background and be able to use your computer for tasks like word processing without any noticeable slowdown at all! I am yet to experience a workload that makes my Ryzen 9 5900x rig feel anything other than really snappy. When compared to a Ryzen 9 3900x it runs single core workloads in excess of 20% faster. Multicore performance is similarly faster. A couple of ... This processor is stunningly fast, both in single-core or highly threaded workloads. It often has several cores running at above 4.9GHz when running programs that require only a few cores. Even when running an app that stretches all cores, like Cinebench, it can usually have several cores running at over 4GHz whilst the rest run closer to the stated base frequency. Indeed, it is possible to run something like Cinebench in the background and be able to use your computer for tasks like word processing without any noticeable slowdown at all! I am yet to experience a workload that makes my Ryzen 9 5900x rig feel anything other than really snappy. When compared to a Ryzen 9 3900x it runs single core workloads in excess of 20% faster. Multicore performance is similarly faster. A couple of points; this processor is serious overkill for a gaming rig. Games just won't use all the cores or threads. A gaming rig will obiously be fast enough with a 6 or 8 core Ryzen; you just don't need 12 cores unless you are seriously into workstation-style workloads that require heavy multithreaded processing power. If you are doing this sort of workload, you may think a 16 core Ryzen 9 5950X should be your first choice. Maybe. It is a lot more expensive and you would have to have serious HPC requirements to justify the extra expenditure. This cpu is a content creators dream! Furthermore, I would suggest is that you invest in a quality heatsink. If you use the heatsink that comes with the Ryzen 3000 series, the Spirit Wraith, it will be very loud, run very hot and not be able to run at its maximum speed. I have attached pictures of the rather large Be Quiet heatsink that I use inside my computer. With a decent heatsink it'll run quickly, but stay cool and so prolong it's life. Make sure you use a decent thermal compound between the processor and heatsink. I recommend Arctic Silver 5. Pair this with some fast memory, an NVMe PCIe 4.0 SSD and a decent RTX 30x graphics card and you'll have the workstation you've always dreamed of owning. Nothing slows it down! I admit I purchased the game Control to test out my RTX 3080 and it looks amazing in 4k, whilst the cpu never breaks into sweat! According to Geekbench this has a single core speed in excess of, and (obviously) running multicore workloads massively outperforms, an Apple M1 (according to the benchmarks I've run on my systems, with native M1 apps on the Mac). What more could a Windows 10 user ask for from a processor?😉
Verified purchase: YesCondition: Pre-ownedSold by: tabretail
by muffindell
05 Feb, 2024
AMD Ryzen 3900x to Ryzen 5900X, the last AM4 upgrade
This is a suitable replacement for the Ryzen 3900x which I have been using for the last few years. My thinking behind the purchase is that it would be the best and last processor produced by AMD for the AM4 platform before the upgrade path changes to AM5 or even AM6 if looking 3-4 years ahead. Installation is simple if you've done it before, just make sure that the BIOS is up to date before making the change over, other than that it's plug and play. I would say there is an improvement in speed around 15-20% for the image editing and manipulation that I do, so a worthwhile uplift when dealing with such large files produced by top of range cameras these days. This is a suitable replacement for the Ryzen 3900x which I have been using for the last few years. My thinking behind the purchase is that it would be the best and last processor produced by AMD for the AM4 platform before the upgrade path changes to AM5 or even AM6 if looking 3-4 years ahead. Installation is simple if you've done it before, just make sure that the BIOS is up to date before making the change over, other than that it's plug and play. I would say there is an improvement in speed around 15-20% for the image editing and manipulation that I do, so a worthwhile uplift when dealing with such large files produced by top of range cameras these days.
Verified purchase: YesCondition: Pre-ownedSold by: rjnabarro
by dwardfeakes
03 Nov, 2021
Works well
Was a bit sceptical (to say the least) about an unboxed, new cpu, but took a risk and bought it anyway. Works perfectly at stock speeds, even when pressure testing. Haven’t tried overclocking yet. Probably won’t bother as it’s really fast anyway
Verified purchase: YesCondition: Pre-ownedSold by: jmak56

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AMD Ryzen 9 5900X - 12 Core 24 Thread - PCIe 4.0 Desktop Processor

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Item specifics

About this product

Product Identifiers

Product Key Features

Additional Product Features

Item description from the seller

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PhoneUsLtd

98.4% positive Feedback•46K items sold

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Amazing CPU. I paid the great price of £360 for it too, so really happy with purchase.

Awesome

Stunning speed

AMD Ryzen 3900x to Ryzen 5900X, the last AM4 upgrade

Works well

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PhoneUsLtd

98.4% positive Feedback•46K items sold

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