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5 Best Internal Data Storages of 2025

Last Updated - 14/12/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Seagate

Seagate IronWolf Pro, 16 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (‎ST16000NE000)

Seagate

£341.95

More Details
Main highlights
- Workload performance of up to 300 tbyear
- St16000ne000
- Optimized for nas: agilated earray enables balancing two-level operation, time-limited error correction and swivel sensors for premium raid performance in multi-drive bay environments
- Ironwolf health management: facilitates the protection of data by preventing intervention and data recovery recommendations for optimal system status
- All ironwolf pro hard drives use conventional magnetic recording (cmr) for consistent, premium continuous operation, giving users access to data anytime and anywhere
£341.95
2
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Samsung

Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD, For gaming and video editing, MZ-V9P4T0BW

Samsung

£299.00

£315.19
(5% Off)

More Details
Main highlights
- What's in the box: 1 x Samsung 990 PRO NVMe M.2 SSD, Storage capacity: 4 TB
- Storage capacities of up to 4 TB in compact M.2 form factor (2280), Ideal for high-performance (gaming) PCs and notebooks/ultrabooks
- High-performance PCIe 4.0 NVMe SSD for high-end PC gaming as well as 4K video and 3D editing, data analytics and more.
- High reliability and long-lasting performance thanks to Heat Spreader and Dynamic Thermal Guard technology to protect against overheating
- Exceptional speed: Sequential read/write speeds of up to 7,450 MB/s and 6,900 MB/s respectively for all variants from 1 to 4 TB of storage capacity.
- Easy drive management, with user-friendly Samsung Magician software for drive updates and performance optimisation
£299.00
£315.19 (5% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KingSpec

KingSpec 1TB 2.5" SATA III 6Gb/s SSD, Read Speed up to 550MB/s, 3D NAND Flash Internal Solid State Drive for Desktop & Laptop

KingSpec

£76.99

More Details
Main highlights
- Wide Compatibility: KingSpec P3 internal solid state drive is compatible with desktop, laptop, all-in-one PC, supporting various operating systems such as Windows, Linux and Mac OS, meeting the needs of various devices. (Note: Installation requires separate purchase of data cables and screws.)
- Speed Up Your Old Computer: SATA 2.5 KingSpec SSD sequential read/write speeds up to 550MB/s and 500MB/s, fast to boot, charge and transfer data. Up to 5x faster than HHD, making your computer faster and smoother. (Note: Connection cables and screws are not included.)
- Reliability & Stable: 2.5" SATA SSD adopts 3D NAND TLC, Mean Time Between Failures (MTBF) up to 1 million hours. Supports wear leveling, waste collection, overprovisioning, native order queue, TRIM, S.M.A.R.T, etc. Longer lifespan, more reliable data storage and faster resource allocation for your usage needs.
- Multiple Storage Capacities: The maximum capacity is 4TB (128GB/256GB/512GB/1TB/2TB/4TB) which provides you enough storage space for apps, HD videos, photos and other files. You can also increase the capacity of your computer with a Sata SSD extension cable (Note: Cable and mounting screws not included).
- 3 Year Limited Warranty: All KingSpec internal SSDs come with a 3-year limited warranty, and also have lifetime technical support. Any questions or suggestions about the product, please contact us in a timely manner.
£76.99
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Seagate

Seagate IronWolf 4TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for RAID Network Attached Storage, Data Rescue Services (ST4000VNZ06)

Seagate

£105.99

More Details
Main highlights
- label may vary on the item
- Store more and work faster with a NAS-optimised hard drive providing 4 TB and cache of up to 64 MB
- Purpose built for NAS enclosures, IronWolf delivers less wear and tear, little to no noise/vibration, no lags or downtime, increased file-sharing performance and much more
- IronWolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse performance
- Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long-term reliability with 1M hours MTBF
- Amazon Exclusive
£105.99
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Crucial

Crucial P310 2TB SSD M.2 2280 NVMe PCIe Gen4, Up to 7,100MB/s, Laptop & Desktop (PC) Compatible, Internal Solid State Drive - CT2000P310SSD801

Crucial

£176.58

More Details
Main highlights
- SHIFT UP TO GEN4: Next-level Gen4 performance at up to 7,100MB/s — Speed up your bootups, file transfers, and game loads without compromising on quality
- POWER EFFICENCY: Provides up to 40% better performance-to-power ratio than our previous Gen4 SSD so you can get more done with the same battery life
- FASTER GAMEPLAY AND BOOTUPS: Nearly 20% faster performance in bootups and gameplay
- EXTEND LIFECYCLE AND STORAGE: Increase your device’s capacity and lifecycle to store more of what matters. Backed by a 5-year limited warranty.
- BETTER PRODUCTIVITY: Up to 20% faster performance in real world tasks compared to other Gen4 SSDs when booting Windows, starting applications like Adobe Photoshop and Illustrator, and working in applications like Microsoft Excel and PowerPoint
£176.58

5 Best Internal Data Storages of 2025

Seagate IronWolf Pro, 16 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (‎ST16000NE000)

Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD, For gaming and video editing, MZ-V9P4T0BW

KingSpec 1TB 2.5" SATA III 6Gb/s SSD, Read Speed up to 550MB/s, 3D NAND Flash Internal Solid State Drive for Desktop & Laptop

Seagate IronWolf 4TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for RAID Network Attached Storage, Data Rescue Services (ST4000VNZ06)

Crucial P310 2TB SSD M.2 2280 NVMe PCIe Gen4, Up to 7,100MB/s, Laptop & Desktop (PC) Compatible, Internal Solid State Drive - CT2000P310SSD801

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Samsung 990 PRO Heatsink NVMe M.2 SSD with heat sink, 2 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD with RGB for PC/console gaming and video editing, MZ-V9P2T0CW

Seagate IronWolf Pro 8TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST8000NTZ01)

Seagate IronWolf 8TB, Internal NAS HDD, CMR, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, Data Rescue Services, (ST8000VNZ02)

Samsung 990 EVO Plus, 1TB, PCIe 4.0 x4 / 5.0 x2, NVMe2.0 (up to 7150 MB/s), NVMe M.2 (2280), Internal Solid State Drive (SSD), MZ-V9S1T0BW

Seagate Storage Expansion Card for Xbox Series X|S 1TB, SSD, Plug and Play NVMe Expansion SSD Xbox Series X|S, Officially Licensed, Data Rescue Services (STJR1000400)

Crucial BX500 SATA SSD 1TB, 2.5", Up to 540MB/s, Laptop and Desktop (PC) Compatible, 3D NAND, Dynamic Write Acceleration, Internal Solid State Drive - CT1000BX500SSD101

WD Red Plus 2TB NAS 3.5" Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, CMR, 64MB Cache

Seagate BarraCuda 2TB, Internal Hard Drive, 3.5 Inch, SATA 6GB/s, 7.200 RPM, 64MB Cache, for Computer Desktop PC, FFP (ST2000DMZ08)

SIX NVME M.2 SSD PCIe 4.0-1TB m.2 2280 ssd, Read UP to 7350MB/s SSD 1TB for Gaming PS5 Memory Storage Expansion with Heatsink, Internal Solid State Hard Drive PCIe gen 4x4 Nvme for Laptop Desktop pc

MSI SPATIUM S270 SSD 240GB - SATA 3 2.5" Solid State Drive, 500MB/s Read & 400MB/s Write, 3D NAND, Built-In Data Security, MSI Center - 5 Year Warranty (110 TBW)

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