Samsung P9 SSD Price UK: 1TB, 2TB, 4TB & 8TB
portable SSD · live Amazon UK price per TB · compatibility guidance
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Samsung P9 is the flagship USB4 portable SSD in Samsung's new P Series, aimed at creators and professional workflows that move very large files. This page tracks genuine P9 listings across the announced 1TB, 2TB, 4TB and 8TB capacities and ranks current Amazon UK stock by both purchase price and cost per terabyte.
P9 UK availability may be limited during the September rollout. Exact P9 products remain visible when the catalogue has discovered them but Amazon has no live offer, while a second table keeps Samsung P7, T9 and genuine USB4 alternatives clearly separate.
Today's UK buying position
Amazon UK has no qualifying exact in-stock listing in the catalogue at this refresh. The page continues monitoring through the normal discovery schedule and will surface a genuine match automatically.
Exact products on Amazon UK
Discovered exact products remain listed when temporarily unavailable. Live rows are ranked by £/TB.
| Product | Capacity | Current price | £/TB | Interface | Family | Buy |
|---|---|---|---|---|---|---|
| Samsung P9 Portable SSD, 2 TB, External SSD, USB4 Gen 3x2, MU-PJ2T0G/WW | 2 TB | Unavailable | - | USB4 Gen 3x2 (40Gbps) | Samsung P9 | Check Amazon |
| Samsung P9 Portable SSD, 1 TB, External SSD, USB4 Gen 3x2, MU-PJ1T0G/WW | 1 TB | Unavailable | - | USB4 Gen 3x2 (40Gbps) | Samsung P9 | Check Amazon |
Advertised family speeds are manufacturer maximums, not measured results. P9/P7 write figures can vary by capacity and host configuration.
Related portable SSD alternatives
These are related portable SSD alternatives, not exact matches for this page.
Advertised family speeds are manufacturer maximums, not measured results. P9/P7 write figures can vary by capacity and host configuration.
1TB vs 2TB vs 4TB vs 8TB portable SSD value
The figures below come from currently in-stock portable SSDs in the shared catalogue. An unavailable tier remains visible so sparse launch inventory does not disappear from the buying decision.
| Capacity | Cheapest live product | Current price | £/TB | Storage tier |
|---|---|---|---|---|
| 1TB | Ediloca | £109.99 | £109.99 | Portable working set |
| 2TB | GiGimundo | £125.16 | £62.58 | Growing project library |
| 4TB | Crucial | £399.99 | £100.00 | High-capacity sweet spot |
| 8TB | Lexar | £799.99 | £100.00 | Maximum single-drive library |
Samsung P9 vs P7 vs T9
Manufacturer specifications describe the product families; live price and £/TB come only from currently available Amazon UK rows.
| Model | Interface | Advertised write | Capacities | Cheapest live | Best live £/TB | Position |
|---|---|---|---|---|---|---|
| Samsung P9 | USB4 Gen 3x2 (40Gbps) | Up to 3,800 MB/s* | 1TB, 2TB, 4TB, 8TB | Unavailable | - | Professional and sustained creator workflows |
| Samsung P7 | USB4 Gen 3x2 (40Gbps) | Up to 3,800 MB/s* | 1TB, 2TB, 4TB, 8TB | Unavailable | - | High-speed everyday and creative storage |
| Samsung T9 | USB 3.2 Gen 2x2 (20Gbps) | Up to 1,950–2,000 MB/s | 1TB, 2TB, 4TB | £189.99 | £162.25 | Established portable SSD value |
* Maximum write claims vary by capacity and product documentation. Host, cable, file size, cache and thermal conditions affect actual performance.
Where Samsung P9 fits
Samsung introduced P9 as the professional model in its first USB4 portable SSD generation. The reason to consider it is not branding alone: it is intended for repeated large transfers, direct recording and editing workflows where the host, cable and application can keep a fast external drive busy. A normal document backup does not automatically benefit from that positioning, so the live price premium needs to be judged against the work you actually do.
The announced range spans 1TB, 2TB, 4TB and 8TB, subject to capacity and market rollout. That breadth makes P9 relevant both as a fast working drive and as a high-capacity project library. It also creates a large price range. Compare like-for-like capacities and £/TB rather than assuming the largest model or the lowest sticker price represents the best purchase.
P9 performance without the marketing shortcut
Samsung advertises sequential reads up to 4,000 MB/s and writes up to 3,800 MB/s for the family, with product-page detail varying by capacity. Those figures describe controlled sequential transfers. Smaller files, a nearly full drive, thermal conditions, file-system overhead and sustained writes after cache are different workloads. The site therefore labels these as advertised specifications and never presents them as a benchmark result.
To approach the headline rate, the entire path must cooperate: a suitable USB4 host port, the supplied or equivalent high-bandwidth cable, current firmware and a workload capable of transferring data quickly enough. Backwards compatibility is useful, but an older USB port lowers the negotiated link. Paying for P9 still can make sense for future host upgrades, though immediate speed may remain limited.
How live UK price intelligence changes the answer
The best-value a Samsung portable SSD is not a permanent editorial award. Amazon offers, stock and capacity discounts move independently, so this page recalculates the cheapest purchase and £/TB from the current catalogue. A larger drive can cost more overall while storing each terabyte more cheaply; a short promotion on a smaller tier can reverse that relationship. Both numbers belong in the decision.
Unavailable exact products remain visible once discovered, but they do not win live price calculations or appear as in-stock offers in structured data. Alternatives use a separate table and never count as exact matches. This prevents sparse launch inventory from silently changing the search intent while still giving the buyer a useful route to an established product.
Choosing 1TB, 2TB, 4TB or 8TB
One terabyte suits a focused working set and keeps initial cost down. Two terabytes adds room for a growing photo, game or project library. Four terabytes reduces media management for large creative work and is supported by many mature portable SSD ranges. Eight terabytes prioritises one-drive density, but availability and total cost remain much less forgiving.
Estimate the data already owned, active project size, temporary files and expected growth, then leave operational headroom. Buying only enough to fill a drive immediately can reduce convenience and complicate updates. Buying the largest tier without a use for it can tie up budget that would provide more protection as an independent backup drive.
Compatibility checklist before buying
Check that the listing is a complete SSD, the advertised capacity belongs to the device itself and the connector cable is appropriate. Confirm the host's precise USB or Thunderbolt mode, operating-system support and required file system. For consoles, cameras and phones, consult the device maker because a computer-compatible drive is not automatically approved for every recording or game-storage workflow.
For performance-sensitive work, separate maximum sequential speed from sustained write performance. Heat, cache behaviour and power can matter during long recording sessions even when short benchmark transfers look excellent. For mobile use, check size, cable direction and strain relief. Finally, plan a second copy: no portable SSD, regardless of price or durability claim, should hold the only version of important data.
What the catalogue deliberately excludes
The common classifier rejects carrying cases, protective sleeves, USB cables sold for a drive, adapters, hubs, docks, bare SSD enclosures, RAM, mini PCs and replacement parts. It also separates internal NVMe drives from complete portable products even when an external SSD uses NVMe media internally. Capacity ceilings such as 'supports up to 8TB' do not become the product's own capacity.
Samsung family matching needs both a complete portable SSD signal and a strong P9, P7 or T9 model pattern, including recognised model-code families where present. That prevents Samsung P9 Express microSD cards, 990-series internal SSDs and unrelated P-series products from entering these tables. The same reusable rule protects existing external-SSD and capacity pages during future refreshes.
Frequently asked questions
What is the Samsung P9 portable SSD?
Samsung P9 is a USB4 portable SSD announced in 1TB, 2TB, 4TB and 8TB capacities, positioned for demanding creator and professional storage workflows.
How fast is the Samsung P9?
Samsung advertises sequential reads up to 4,000 MB/s and writes up to 3,800 MB/s, although the exact maximum varies by capacity, host, cable and workload.
Does Samsung P9 work with a Mac?
Samsung lists macOS compatibility and USB4 backwards compatibility. The connected Mac, port, cable and file system still determine the speed and workflow available.
Is an 8TB Samsung P9 available in the UK?
Samsung announced an 8TB tier, but capacities may arrive at different times by market. The exact-products table reflects current Amazon.co.uk discovery and availability.
Is Samsung P9 the same as Samsung P9 Express?
No. Samsung P9 is a portable USB4 SSD. Samsung P9 Express is a microSD Express memory card family and is deliberately excluded from this page.
Last updated at 2026-10-17 18:03:00 UTC. As an Amazon Associate I earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed at the time of purchase will apply to the purchase of the product. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC.