How to cheaply upgrade your PS4 to 2TB

60 gets you a superb mass storage upgrade - and a USB caddy for your old drive.

Seagate sells expansion drives with USB caddies for less than the cost of the drive on its own. Take advantage of the madness for your 2TB PS4 hard drive upgrade.

External storage is collapsing in price. Earlier this month, we picked up a 2TB Toshiba drive for just 69.99 and it emerged as the overall winner in our Xbox One hard drive upgrade guide. Just a week later, the Seagate Expansion STBX2000401 dropped in price on Amazon to just 59.99 - good for Xbox One, but potentially an essential buy for PlayStation 4 owners too.

In our PS4 upgrade guide we found that using an SSD delivered the best experience when it came to producing shorter loading times, faster texture streaming, and generally smoother day-to-day operation of the console. However, these gains didn't translate consistently across all titles and in the end we found that the Hitachi Z7K1000 (a 7200 1TB traditional mechanical hard drive) provided us with the best price/performance ratio while also offering up a significant increase in storage capacity over the stock PS4 drive. Right now it costs around 50 and that's pretty decent value for a 7200rpm drive.

However, clearly a doubling of storage for just 10 more represents a much more enticing deal. The fact that the drive itself is contained in an enclosure shouldn't put you off. The chassis can be pried apart by carefully pushing a screwdriver, scalpel or knife through the grooves at the side, before pushing down to lift and unclip the top and bottom plastics from each other. This has to be done slowly around the unit to avoid any damage, but it is a fairly simple process that doesn't take long.

Once the drive is free from the plastic housing it's simply a case of unplugging the SATA to USB adaptor and then removing the screws (and rubber guards) on the sides so the unit fits into the PS4's hard drive caddy, and then into the console itself.

Inside the supplied enclosure, we find a Samsung/Seagate Momentus Spinpoint ST2000LM003, rated at 5400rpm and featuring 32MB of cache. It retails for around 85 when purchased as a standard 2.5-inch internal notebook drive, but can be had for 25 less in its Seagate Expansion portable guise - for exactly the same drive! Bizarrely, it is often the case that bare laptop drives cost considerably more than their enclosed brethren. It's also worth pointing out that it's possible to reuse the Seagate enclosure to house the stock PS4 drive after it has been removed from the console, thus repurposing it as a 500GB portable storage unit - it simply clips back together with the old drive inserted. After formatting, it works perfectly well on PC, Mac and Xbox One.

The ST2000LM003 is also very useful in that it's a 9.5mm 2.5-inch drive. While we've found that the thicker 12mm drives will physically fit into the PS4, it's a tight fit that could transmit noise, vibration and heat through the chassis - so it's best to stick to the recommended 9.5mm and 7mm standards. You can try extracting a 2TB drive from another chassis, but you may well end up with a thicker, more undesirable unit. Alternatively, you may well end up with a unit that's virtually impossible to access without taking a hacksaw to the enclosure - the Toshiba drive we used in our Xbox One upgrade guide was impervious to our flat-headed screwdrivers, knives and scalpels.

Before delving into any PS4-based testing we benchmarked the drive using CrystalDiskMark and HD Tune in our PC to give us some raw performance data. We used a SATA-2 connection in order to get a closer match to the hardware inside the PS4 (there's no real need for SATA-3 in the console's use-case scenarios). In this case we were particularly interested to see if the higher density platters of this 2TB drive would help to offset the slower speed rotation compared to the 7200rpm unit.

Stock Drive 1TB Hitachi Z7K1000 1TB Seagate Hybrid 240GB Crucial M500 SSD 2TB Seagate
Read Speed (Sequential/512K) 116.5MB/s / 40.4MB/s 132.9MB/s / 42.6MB/s 95.9MB/s / 40.6MB/s 191.9MB/s / 189.7MB/s 122.1MB/s / 39.6MB/s
Write Speed (Sequential/512K) 114.4MB/s / 40.7MB/s 127.9MB/s / 55.7MB/s 106.7MB/s / 62.8MB/s 211.8MB/s / 62.7MB/s 120.9MB/s / 42.6MB/s
Access Time 21.1ms 17.3ms 6.9ms to 20.9ms 0.06ms 14.9ms
Gigs per GBP - 18.7 13.3 2.7 31

Right off the bat the results are promising and represent an improvement over the stock PS4 hard drive. The ST2000LM003 reads data at speeds closer to the Hitachi Z7K1000 and also features slightly quicker access times when seeking between different files. Meanwhile, write speeds are slower than the Hitachi but the ST2000LM003 still beats out the stock PS4 drive across virtually all of the tests, meaning that we should see this hopefully translate into shorter load times and better texture streaming when gaming.

Indeed, the boost in speed we see in the benchmarks translates into tangible decreases in loading times across a few games, although the results are quite variable suggesting that some titles benefit more from running off faster hard drives than others. In this case, boot and loading times are indeed shorter when using the Seagate Expansion drive over the PS4's stock HDD in Thief and Trials Fusion, with similar performance to that of the Hitachi Z7K1000 and the Hybrid SSHD.

By comparison, the results in Call of Duty: Ghosts and Metal Gear Solid 5: Ground Zeros are mixed - sometimes the ST2000LM003 delivers shorter loading times compared to the stock hard drive, sometimes there is no improvement at all. Curiously, Need for Speed: Rivals is the odd one out here because loading times are actually longer than the other drives when using the ST2000LM003, and we're not really sure why - we performed all background downloads and update installations before we began testing the game.

While performance isn't consistent across every game, the Seagate Expansion offers quicker loading times than the stock PS4 hard drive and compares quite favourably with the Hitachi, although it isn't quite as fast.

Loading Time (secs) Stock Drive 1TB Hitachi Z7K1000 1TB Seagate Hybrid 240GB Crucial M500 SSD 2TB Seagate
COD: Ghosts - Initial Load 23.60 19.67 19.22 16.53 23.37
COD: Ghosts - Ghost Stories 38.25 33.22 30.10 28.80 37.43
COD: Ghosts - Struck Down 29.22 27.13 26.85 26.85 29.96
Thief - Level One Load 52.08 34.67 34.67 34.43 39.54
Thief - Level Two Load 23.50 20.98 23.01 21.04 21.67
Thief - Level Three Load 38.97 37.12 36.72 35.57 38.58
MGS5: Ground Zeroes - Initial Load 44.93 43.30 41.67 32.82 43.17
MGS5: Ground Zeroes - Renegade Threat 15.33 14.13 15.20 14.43 14.46
MGS5: Ground Zeroes - Classified Intel 14.71 14.76 14.79 13.98 14.11
NFS: Rivals - Initial Load 18.25 18.14 17.59 16.40 19.88
NFS: Rivals - Start Game 24.85 24.85 25.10 23.17 33.55
NFS: Rivals - To Race 11.01 10.91 10.84 10.74 14.06
Trials Fusion - Initial Load 04.70 04.52 03.82 04.42 04.92
Trials Fusion - Stage One 15.11 13.17 13.10 13.10 12.99
Trials Fusion - Waterworks 13.01 09.67 09.62 09.62 10.47

Elsewhere, console boot times remain the same as the stock hard drive and the Hitachi 7200rpm unit, while disc-based installs are somewhat inconsistent, with speed determined by the efficiency of the PS4's Blu-ray drive. However, installations of digitally downloaded games do benefit from the Seagate's higher platter density compared with the stock 5400rpm drive. While the 2TB unit may spin the platters at a much lower speed, the physical size of the disk is larger - so more data is read in with each rotation.

As is to be expected, we encountered no improvements in frame-rate or frame-time stability when upgrading to a faster hard drive or SSD during our original testing, although there are benefits with regard to speeding up asset streaming on some games, helping to decrease or eliminate unsightly low resolution artwork. Trials Fusion features more noticeable texture streaming issues on the PS4 compared to the Xbox One game, with transitions between mip-maps (different quality level textures) occurring far more noticeably when using the console's stock hard drive, making the game ideal testing material.

We found that the use of an SSD dramatically improved performance with higher quality assets loading into RAM before these objects were rendered on screen, and while the Hitachi 7200rpm drive and the hybrid SSHD didn't deliver the same kind of speed boost, we still saw a reduction in the amount of very low resolution artwork displayed on screen during the visible LOD transitions.

Texture streaming is an issue in Trials Fusion when using the stock hard drive with lower quality assets appearing on screen for prolonged periods. With the Seagate drive installed, higher resolution mip-maps are loaded in more quickly than the stock HDD. It almost matches the Hitachi, but doesn't quite manage to resolve the same level of texture quality across the entire scene in the same time-frame.

So how well does the 2TB ST2000LM003 fare in comparison? Bearing in mind that platter rotation is significantly slower than the Hitachi 7200rpm drive, the results are certainly impressive - the increase in data density on the disk pays off. Across a general run of play we see higher quality assets streaming in noticeably quicker compared to the stock drive pretty much on a permanent basis. Generally speaking, the 2TB 5400rpm drive can't keep up with an SSD, but it battles it out nicely with the 7200rpm and hybrid units to the point where we had to look at things on a frame-by-frame basis to pick up individual differences.

Overall, when it comes to upgrading your PS4 hard drive, it's difficult to recommend the performance options when the gains on anything other than an SSD can be rather marginal, and when the price per gig with the Seagate Expansion deal is light years ahead of the otherwise preferred solid-state solution. In truth, bearing in mind that few titles are impacted by drive performance, we would have been happy with speeds equivalent to the stock drive, but the ST2000LM003 appears to better the standard unit - a welcome bonus on what is a remarkable deal.

So are there any downsides? Well, it's safe to say that taking a screwdriver or scalpel to the caddy is an automatic, do-not-pass-go trip to warranty hell should anything go wrong, meaning that you'll get no support should the drive fail [UPDATE 26/8/14 14:34 - just to clarify, the PS4 warranty is not affected - we are referring to the drive]. If you do decide to go down this route, you should thoroughly test the unit in a PC or Mac before prying it open in order to upgrade your PlayStation 4. But the rewards are clearly worth it - this is the best-value route to 2TB of storage we could find, and a bonus caddy for your old drive is the icing on the cake.

We bought our Seagate Expansion STBX2000401 from Amazon for 59.99, but at the time of writing it is currently on back-order. UK readers looking to upgrade can find the same product at the same price from Argos.

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