Best Budget External Hard Drives Under $150

TL;DR: The ADATA HD710 Pro 2TB packs rugged IP68 waterproofing, MIL‑STD‑810G shock resistance and 2 TB of storage into a 270 g, USB 3.1 drive for under $150.

This drive’s standout spec is its IP68 rating, meaning it’s able to survive submersion up to 2 m for 60 minutes, and MIL‑STD‑810G certification for drops from 1.5 m. Those protections come in a 2.5‑inch portable form factor measuring 133.3 mm × 98.5 mm × 21.5 mm and weighing 270 g.

Compared with the eight other drives in the roundup, the HD710 Pro is heavier than the Silicon Power 1TB Black (148 g) and the Seagate One Touch (148 g), but lighter than the Transcend StoreJet 25H3 (308 g). Its height of 21.5 mm is shorter than the Silicon Power Armor A60 (86 mm) and comparable to the Western Digital Elements (21 mm). Capacity-wise, it offers twice the storage of the 1 TB SSDs and matches the 2 TB Seagate One Touch while staying well below the $150 ceiling.

Reviewers consistently praise the drive’s durability – professional reviewers call it a “tough go‑anywhere hard drive” and note that the shock‑absorbing silicone shell lives up to the military‑grade claim. Users also appreciate the steady ~250 MB/s real‑world transfer speed, which aligns with the advertised 5 Gbps USB 3.1 Gen 1 interface. The downside that pops up is the 5400 RPM spindle, which limits peak performance compared with SSD alternatives, and the 270 g weight that makes it less pocket‑friendly than ultra‑light non‑rugged models.

Technically, the drive runs on 5 V / 900 mA and includes a USB 3.1 Type‑A to Micro‑B cable, a quick‑start guide, and a waterproof port cover. The 3‑year warranty adds peace of mind for field use, and it’s a 4.6‑star rating from 29,341 reviews that signals strong user confidence.

Best for: Outdoor adventurers, field professionals, and anyone who needs a drop‑proof, waterproof drive with generous storage.

Avoid if: You prioritize ultra‑lightweight portability or need the fastest SSD‑level performance.

TL;DR: The Western Digital Elements 5TB delivers a massive 5 TB of portable storage for $134.99, with USB 3.2 Gen 1 speeds up to 5 Gb/s and a lightweight 236 g design.

The drive’s standout spec is its 5 TB capacity packed into a compact 21 mm × 111 mm × 82 mm chassis that weighs just 236 g (0.52 lb). Its USB 3.2 Gen 1 (USB 3.0) interface promises a maximum transfer rate of 5 Gb/s, while the included SuperSpeed USB‑A cable matches that speed.

At 0.52 lb, the Elements sits just above the WD_BLACK P10 (0.51 lb) and the Silicon Power Armor A60 (≈0.50 lb), but it’s noticeably lighter than the Transcend StoreJet 25H3 (≈0.68 lb) and the ADATA HD710 Pro (≈0.59 lb). Its 5 TB storage matches the WD_BLACK P10 and outpaces every other contender in the roundup, which range from 1 TB to 4 TB. Like most peers, it offers a 5 Gb/s transfer ceiling, aligning with the Silicon Power Armor A60, Transcend StoreJet, and Seagate One Touch.

Reviewers consistently praise the 5 TB capacity and the plug‑and‑play convenience of the bus‑powered design, noting that you can move large photo or video libraries without needing an external power brick. Professional reviewers highlight the solid build quality and the reliable USB 3.0 performance. However, users mention the audible spin of the mechanical HDD and the extra step of reformatting to NTFS for macOS, which erases existing data before you can use the drive.

Best for: Buyers willing to invest in a proven, high‑quality option

Avoid if: You need advanced features or professional‑grade performance

TL;DR: The Seagate One Touch 2TB Black offers 2 TB of secure, bus‑powered storage for $69.99, with AES‑256 hardware encryption, a compact 148 g design, and solid plug‑and‑play USB 3.2 Gen 1 connectivity.

What really sets this drive apart are its password‑activated AES‑256 hardware encryption—the same level of protection used by governments—bundled with three years of Rescue Data Recovery Services. At 2 TB of capacity and a price of $69.99, it delivers a generous amount of space well within the sub‑$150 budget ceiling.

Compared with the eight other drives in this roundup, the One Touch weighs only 148 g and measures just 11.7 mm high, so it slips into a laptop bag more easily than the bulkier ADATA HD710 Pro (around 270 g) or the Transcend StoreJet 25H3 (over 300 g). Its 457.2 mm cable stays short but suffices for most desk setups, and the USB 3.2 Gen 1 interface matches the transfer‑speed specs listed for peers such as the Silicon Power 1TB Black and the WD Elements 5TB. However, it lacks a USB‑C port, a feature present on the Crucial X9, which may be a drawback for users with newer laptops.

Everyday users appreciate the straightforward plug‑and‑play experience and the peace of mind that comes from the built‑in encryption and the included backup‑service trials. Professional reviewers also note that the encryption stands out as a security feature. On the downside, the 5400 RPM spindle speed can feel sluggish for demanding tasks like 4K video editing, and macOS owners sometimes have to reformat the drive for Time Machine use, adding an extra step.

Best for: Budget‑conscious buyers seeking a reliable entry‑level option

Avoid if: You need high‑speed performance for 4K video editing, gaming, or rely exclusively on USB‑C connectivity

TL;DR: The WD_BLACK P10 Game Drive offers a massive 5 TB of portable storage, lightweight 0.51‑lb chassis, and USB 3.2 Gen 1 speeds for under $150, making it a solid choice for gamers who need room for a large library.

The standout spec packs 5 TB into a 2.5‑inch drive that weighs only 0.51 pounds (231 g). Its dimensions—20.8 mm high, 118 mm long and 88 mm wide—keep it pocket‑friendly, while the USB 3.2 Gen 1 (Micro‑B to Type‑A) interface promises a maximum transfer rate of 5 Gb/s and sequential read/write speeds of up to 130 MB/s.

Compared with the other eight entries, the P10 is lighter than the Transcend StoreJet 25H3 (0.68 lb) and the Western Digital Elements 5TB (0.52 lb), and roughly on par with the Silicon Power Armor A60 (0.50 lb). It’s also thinner than the Transcend’s 24.4 mm height and shorter than its 131.8 mm length, though its 88 mm width is a touch broader than the Transcend’s 80.8 mm. Those dimensions give it a slimmer profile than many of the bulkier 2.5‑inch HDDs in the list.

Professional reviewers highlight the “massive 5 TB capacity” as a useful solution for expanding console libraries without constant deletions, and users repeatedly praise the plug‑and‑play compatibility across PlayStation, Xbox and PC. The lightweight chassis (about 0.23 kg) earns marks for travel‑ready builds, yet the 5400 RPM spindle gets criticism for slower load times compared with SSD rivals. Reviewers also note the absence of built‑in encryption, which some gamers see as a drawback for protecting saved data.

Beyond speed, the drive operates comfortably between 5 °C and 35 °C and comes with a 3‑year limited warranty, reinforcing its durability for frequent moves between consoles and PCs. The included USB Type‑A to Micro‑B cable and quick‑install guide keep setup straightforward, and the black finish blends well with gaming rigs.

Best for: Buyers willing to invest in a proven, high‑quality option

Avoid if: You're on a tight budget or only need basic functionality

TL;DR: The Silicon Power Armor A60 offers a rugged 4 TB portable HDD with MIL‑STD‑810G drop protection, IP68 waterproofing and 256‑bit AES encryption for $129.99.

The standout feature is its MIL‑STD‑810G certified drop protection of 122 cm on 26 contact points, backed by a crush‑resistance rating of 500 kg and an IP68 water‑dust seal. Those numbers mean the drive can survive a fall from a typical desk height and even an immersion of up to 1.5 m for an hour, making it one of the toughest options in this price range.

Compared with the other eight drives, the Armor A60 is heavier than the ultra‑light Crucial X9 SSD (about 32 g) but lighter than the bulkier Transcend StoreJet 25H3 (around 308 g). Its 4 TB capacity outstrips the 1 TB Crucial X9 and sits just below the 5 TB models from Western Digital and WD_BLACK, giving you massive storage without stepping into the premium tier.

Reviewers consistently praise the drive’s rugged build and the peace of mind from 256‑bit AES hardware encryption. Users also like the included USB‑C compatibility and the three‑year warranty. The most common complaints focus on the 228 g weight and the 86 mm thickness, which some find bulkier than SSD alternatives, and occasional cable connection hiccups that surface in a few consumer comments.

Technically, the drive connects via USB 3.0 with a theoretical maximum transfer rate of 5 Gbps and ships with a USB‑C‑compatible cable. Inside, it houses a WD Blue Mobile SATA III 5400 RPM HDD with an 8 MB cache, delivering sustained speeds of 120–130 MB/s. The enclosure’s IP68 rating (water‑resistant) and IPX4 splash protection add extra durability for field work or outdoor travel.

Best for: Outdoor professionals, travelers, and gamers who need a rugged, high‑capacity drive without breaking the $150 budget.

Avoid if: You're shopping on a tight budget — it's priced at $129.99 and may feel heavy for ultra‑portable daily use.

TL;DR: The Crucial X9 1TB SSD packs 1050 MB/s read/write speeds into a 65 × 50 × 10 mm, 32 g case, but its $125.47 price puts it at the higher end of sub‑$150 drives.

What really stands out is the advertised 1050 MB/s sequential read and write performance that the drive delivers over a USB 3.2 Gen 2 (10 Gb/s) interface. That speed tops the 5 Gb/s limits listed for most of the other drives in this roundup, making the X9 feel noticeably quicker when moving large files.

In size and weight it’s a different class. At just 32 g and a 65 mm length, the X9 is far lighter and more pocket‑sized than the bulkier 4‑TB and 5‑TB options, which weigh well over 200 g and measure more than 130 mm long. Its 7.5 ft (2.3 m) drop‑proof rating also exceeds the drop protection of many peers, though it doesn’t carry the higher IP55 dust‑water rating found on the X9 Pro.

User feedback repeatedly praises the drive’s “pocket‑size convenience” and “plug‑and‑play” experience across Windows, macOS, Android, iOS, iPadOS, Linux, Xbox and PlayStation. Reviewers also note the bundled Mylio Photos Plus and Acronis True Image trials as useful extras, while a few point out that sustained write speeds can dip below the 1050 MB/s peak, and that $125.47 is steeper than some competing 1 TB models.

Best for: Most users looking for a well‑reviewed, reliable mainstream option

Avoid if: You're shopping on a tight budget — it's priced at $125.47

TL;DR: The Silicon Power 1TB Black SSD costs $69.99, offers 1 TB storage, up to 5 Gbps USB 3.2 Gen 1 transfer, IPX4 splash resistance, and a 4.6‑star rating from 6,241 reviewers.

This drive’s standout features are its IPX4 splash resistance and military‑grade shockproof design, packaged in a compact 5.5 in × 3.4 in footprint and a thin 0.9 in profile. At a listed price of $69.99 it delivers 1 TB of space while supporting up to 5 Gbps transfer over USB 3.2 Gen 1.

Compared with the eight other drives in this $150‑or‑less roundup, the Silicon Power sits at the lower end of capacity—only Toshiba’s 1 TB and Crucial’s 1 TB models match its size, while the rest range from 2 TB to 5 TB. Its 5 Gbps transfer ceiling matches the Seagate One Touch, Toshiba Canvio Basics, ADATA HD710 Pro, Western Digital Elements, Transcend StoreJet, and WD_BLACK P10, but Silicon Power's the only model that explicitly lists an IPX4 rating. In terms of dimensions, its 3.4 in width exceeds Seagate’s 78 mm width, while its 0.9 in height’s taller than Seagate’s 11.7 mm height, making it a bit bulkier than the ultra‑slim Seagate but still portable.

Professional reviewers note the drive consistently hits around 400 MB/s read speeds, which is sufficient for everyday backups and media transfers. Users appreciate the pocket‑friendly size and the peace of mind from its shock‑resistant chassis, but several point out that the USB 3.2 Gen 1 interface caps throughput below 1 GB/s, so power users needing faster NVMe‑level speeds may feel limited. Concerns about long‑term NAND endurance also appear in a minority of consumer comments.

Best for: Budget-conscious buyers seeking a reliable entry-level option

Avoid if: You need advanced features or professional‑grade performance

TL;DR: The Toshiba Canvio Basics 1TB offers a compact, plug‑and‑play portable drive with USB 3.0 up to 5 Gbps, 5,400 RPM spindle speed, and a solid 4.7‑star rating for under $150.

This drive packs 1 TB of storage into a 2.5‑inch chassis measuring just 15 mm × 78.7 mm × 119.4 mm and weighing 0.5 pounds (227 g). It runs on a 5,400 RPM spindle with an 8 MB cache and an average seek time of 12 ms, delivering a maximum transfer rate of up to 5 Gbps through its USB 3.0 (backward‑compatible with USB 2.0) interface. The included USB 3.0 cable and plug‑and‑play operation mean you can start backing up files right out of the box.

Compared with the eight other drives in this roundup, the Canvio Basics is heavier than the Seagate One Touch 2TB (148 g) but lighter than the Western Digital Elements 5TB (236 g). Its 15 mm height makes it far slimmer than the Silicon Power Armor A60 4TB (86 mm) and the ADATA HD710 Pro 2TB (21.5 mm). While its 1 TB capacity trails the 2‑, 4‑, and 5‑TB options, the advertised 5 Gbps transfer ceiling matches the maximum listed for peers like Silicon Power 1TB Black and Transcend StoreJet 25H3 4TB. In practice, the internal shock sensor adds a layer of protection that aligns with the military‑grade shockproof claim of the Silicon Power 1TB model.

Reviewers consistently highlight the drive’s ease of use – the plug‑and‑play setup and compact, smudge‑resistant black design earn frequent praise. Users also appreciate the built‑in shock sensor and the fact that it works with PlayStation 4 after a simple FAT32 reformat. On the downside, the 5,400 RPM spindle and modest 8 MB cache lead to slower sustained transfers, especially for large video libraries, and people commonly complain about the lack of bundled backup software or hardware encryption. The warranty lists one year for commercial packaging (three years for standard packaging) and is shorter than the multi‑year coverage some competitors offer.

Best for: Budget‑conscious buyers seeking a reliable entry‑level option

Avoid if: You need advanced features or professional‑grade performance

TL;DR: The Transcend StoreJet 25H3 packs 4 TB of rugged storage, three‑stage military‑grade shock protection and 5 Gbps USB 3.1 speed in a 0.68‑lb, purple‑colored portable drive for $145.99.

The standout feature is its three‑stage military‑grade shock protection system—silicone outer case, internal damper and reinforced housing—professional reviewers rate it as superior to typical rugged drives. Coupled with 256‑bit AES hardware encryption and a one‑touch backup button, the drive targets photographers or field engineers who can’t afford data loss. It holds 4 TB of space and talks over USB 3.1 Gen 1 (UASP) at a advertised 5 Gbps transfer rate.

Compared with the eight other drives in this under‑$150 roundup, the StoreJet is heavier at about 0.68 lb, while the lightest competitor (Seagate One Touch) weighs roughly 0.33 lb. Its 4 TB capacity sits between the 1–2 TB models and the 5 TB options, giving you more room than most but less than the highest‑capacity rivals. Transfer‑rate wise, it matches the 5 Gbps spec found on the WD_BLACK P10, Western Digital Elements, Silicon Power Armor and ADATA HD710 Pro, so you won’t be left behind on speed.

User sentiment highlights the durability of the shock‑protection system and the convenience of the bundled Transcend Elite and RecoveRx software. Reviewers note the drive feels a bit bulky—its thickness is 24.5 mm—and the weight can be noticeable during long trips. The mechanical HDD design also means it won’t hit SSD‑level speeds, which some users mention when they need the fastest possible transfers. Still, the operating temperature range of 5 °C to 55 °C and a three‑year limited warranty give confidence for rugged use.

Best for: Buyers willing to invest in a proven, high-quality option

Avoid if: You're shopping on a tight budget — it's priced at $145.99