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Silicon Power XPOWER XS70 4TB PCIe Gen 4 M.2 SSD $359.04 Delivered @ Amazon JP via AU

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Lowest price so far for this PS5 compatible NVMe SSD.

Return of this deal previously posted by Orrelljet and ameel.



24.6mm x 80.0mm x 10.8mm


PCIe Gen 4x4

Performance Read(max.)
4TB: 7,200MB/s

Performance Write(max.)
4TB: 6,800MB/s

System Requirement
Computer with M.2 slots supporting PCIe interface and an OS with NVMe support

Operating Temperature
0°C - 70°C

MTBF (est)
1,600,000 hours

As with other Amazon Japan deals, please try refreshing the page or use the Amazon mobile app if Amazon Japan doesn't appear as the seller.

Price History at C CamelCamelCamel.

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closed Comments

  • +1

    Not bad, TLC. More expensive than something like a 4TB Team MP34 but the XS70 is a higher tier of performance.

    Lots of my questions already answered in this previous thread about how it stacks up to something like a 980 Pro: https://www.ozbargain.com.au/node/780069

    • +1

      Do bear in mind about the component swap SP did on the 2TB version (which is why 2TB was cheaper than 4TB in terms of $/GB). Now, with the 4TB also getting a price drop, has SP now done the same for the latest 4TB batch?

      While I don't mind YMTC Xtacking 3.0 based NAND, Silicon Power elected to go for the cheaper and older Xtacking 2.0 NAND which I am not a fan (some SSDs using that NAND are known to have data loss issues). I hope SP hasn't swapped 4TB yet BUT at this price, I reckon SP could have done that.

  • Anyone suggest a suitable sized, cooled and spec’d enclosure for this?

    • Even thunderbolt caps out at ~4gb/s which won't be enough for these top tier drives.

      USB 3.2, ~2gb/s enclosures are around $80-$100.

      Unless you're after a specific workload, you can definitely get away with a much slower drive.

      • USB 3.2, ~2gb/s enclosures

        To clarify, 20Gbps speeds only work with USB 3.2 Gen 2x2, which requires both a compatible motherboard (or PCIe card) and enclosure. The more typical USB 3.2 Gen 2 is limited to 10Gbps. Recent Macs have Thunderbolt but do not support Gen 2x2.

        • +1

          Good clarification.

          But that does just further reinforce my point. Enclosures are basically just a lot, lot slower than this ssd, so you're much better off getting a cheaper one.

          • @incipient: Depends on your needs and you were quoting standard prices.

            USB 3.2 gen 2x2, the enclosure I bought was $55 and that was from an AU seller. Thunderbolt 3/4, I spent $90 (but I don't care about having the ability to run USB 3.2 gen 2 - i.e. Thunderbolt only).

            USB 4, Thunderbolt 4 continues the USB-C and Thunderbolt mess. Some of the things you wrote above is no longer true, though the latest enclosures are only available to reviewers so far (and only 1 maker so far - so it's $$$). While in general, PCIe gen 4 x4 SSDs on Thunderbolt 3 or 4 is an overkill, if you really want bragging rights, you still need 1 to just get that extra 100-200MB/s (i.e. to get really close to PCIe gen 3 x4 maximum). Intel doesn't want to support USB 3.2 gen 2x2 (and honestly, it doesn't quite make sense since TB is faster). However, for a proper USB 4 chipset, it is a different story.

      • Even thunderbolt caps out at ~4gb/s which won't be enough for these top tier drives.

        Not necessarily. Gen 4 SSDs can still fall below these throughputs.

        These top tier drives have higher IOPS.

        • Thunderbolt 4 is only PCIe gen 3 x4. These PCIe gen 4 x4 SSDs do support PCIe gen 4.

          NV2 1TB on Apple Silicon Mac (Thunderbolt)
          NV2 1TB - Direct to CPU PCIe lanes + 0Fill cheat
          XS70 2TB version - Direct to CPU PCIe gen 4 x4 - no 0Fill cheat, random data

          Thunderbolt 4 not only doesn't have sufficient bandwidth to bring out the best of PCIe gen 4 x4 SSDs, there is still a conversion penalty.

          • @netsurfer: I'm saying that the maximum advertised throughput of an SSD does not define it's real life throttled throughput.

            In many circumstances, like read/writing small files, higher end SSDs will still work better over USB3 or Thunderbolt, due to their higher specifications in other areas.

            Even Gen3 Optane drives work better than high end Gen4 SSDs in these scenarios - it's not due to the bus speeds.

            Similarly, a high end Gen4 can still perform better than older SSDs on a PCIE3 bus.

            • @bjt: No, not for USB 3.2 gen 2. That's the problem. NV2 on Thunderbolt will blow 990 Pro in USB 3.2 gen 2 enclosure away in tests and general usage. The protocol conversion penalty on USB 3.2 gen 2 is a lot worse than Thunderbolt 3 or 4 (or USB 3.2 gen 2x2 for that matter).

              Samsung knows that, so Samung doesn't bother putting PCIe gen 4 x4 SSD in T7 or T7 Shield. It's just silly to put PCIe gen 4 x4 SSD in an USB 3.2 gen 2 enclosure unless you are not able to buy decent PCIe gen 3 x4 SSDs at a good price.

              I have cheap PCIe gen 4 x4 SSDs which when run in PCIe gen 3 x4 mode is inferior to 970 Evo Plus. It wouldn't surprise me those run even worse in PCIe gen 3 x2 mode (which is the mode USB 3.2 gen 2 enclosure runs at).

    • +2

      It is known that it is quite hard to remove the SSD from the heatsink (the back side is heavily glued). It's hard to find an enclosure that supports a heatsink like that.

    • ACASIS 40Gbps Thunderbolt 4 enclosures - TBU405 (more fins for cooling) or TBU401 (no tools required) will be Au $150 delivered.
      I got the TBU405 to go with the recent 2TB 980 Pro deal.

      Looked at a lot of enclosures, this got great reviews by many users in many different places.


      • TBU405 isn't tall enough to cater for the heatsink on this SSD. Furthermore, due to wanting USB 3.2 gen 2 backward compatibility, it costs $50 more (which to me doesn't make sense unless being able to use it on USB 3.2 gen 2 is a must. There is a chipset lottery on the USB 3.2 gen 2 compatibility part).

        With new chipset coming, it's best not to overspend on Thunderbolt enclosures now. All these Thunderbolt "4" enclosures actually use Thunderbolt 3 chipsets.

        • I removed the heat sinks on both of mine. Works extremely well in the TBU401.

          • @Orrelljet: What kind of speed are you getting? Anyway, the upcoming new chipset (when used with the right machine with the correct chipset) can reach 3700MB/s in sequential read. That's something current Thunderbolt 3 chipsets (which are being sold as Thunderbolt 4 enclosures) cannot reach. Though sequential read/write isn't that important.

            Still not keen to use PCIe gen 4 x4 SSDs in any enclosure at the moment. Feels like a bit of a waste since it is at best PCIe gen 3 x4 when used in an enclosure. Also, on Macs (and quite possibly Windows as well), 4K random write performance (especially high queue depth) through Thunderbolt feels subpar.

            • @netsurfer: In the enclosure my wife is seeing something like 2500/2500 which is pretty much on par with TB3/4/USB 4.0. From what I’ve seen the Gen 4 drives appear to work better in the Acasis enclosures. The Team 4TB I have was great for read but appalling (comparatively) for write, in the same enclosure.

              • @Orrelljet: Below is the result from the slowest Thunderbolt 3 enclosure on Mac M1 Pro:

                NV2 1TB Thunderbolt 3
                2TB version of XS70, obviously Silicon Power has done the swap - NVMe to CPU lanes

                • I did a test using 970 Evo Plus with Thunderbolt, it performs better than NV2.
                • Acasis enclosures do get better write performance than the one I used to test.
                • XS70 after the component swap is inferior. However, my main issue with that isn't the performance, but more on YMTC Xtacking 2.0.
                • With Thunderbolt, APFS (for Mac) or NTFS (for Windows) must be used, otherwise the performance would be bad. That said, 4K random write performance is still bad with APFS.
                • Thunderbolt performs better on Windows than Apple Silicon Mac. I have yet to test on Intel 12th or 13th gen with TB4. From what I can gathered, when a flagship PCIe gen 4 x4 SSD is used and with the appropriate Thunderbolt 4 chipset, 3000+ should be achievable. However, random read/write matters more in general usage (I do use Thunderbolt enclosure as a boot drive for an old Mac).
                • @netsurfer:

                  Acasis enclosures do get better write performance than the one I used to test.

                  Your figures above are on par with the ACASIS tests I have seen.
                  I haven't yet done anything more with mine than check the firmware version on the 980 Pro.

  • SSD prices have come down heaps.. i think we will see them drop even more

  • I'm tempted, but reading back through some posts on here it looks like the lower end SP SSDs have a decent failure rate.

    Given this is more high end, I guess (hopefully) won't be as bad? Anyone have experience with the warranty return process for Amazon JP? Assuming the 5 year warranty won't count given its an international purchase?

    • +1

      The 2TB version has received component swaps so that version uses InnoGrit and YMTC NAND (the YMTC NAND isn't the latest gen one). The previous 4TB version batch was Phison E18. Thing is, the drop in price of the 4TB is a concern because that was exactly what happened to 2TB previously.

      This is a newer batch because it was out of stock from Amazon JP for a while. Now, the question is has SP done a component swap on the 4TB version as the price now seem to be lower than before.

      With Amazon AU (Amazon JP or US or UK being the seller), the standard rule is change of mind or non Amazon fault attracts a return label fee (since it is Amazon international). SP has not guaranteed on what you will get so the main concern is whether it is worthwhile to gamble on it. If the YMTC NAND is the latest gen, then it would have been okay, but this is the older gen (which on some other SSDs have known issues).

      • Good to know, appreciate the response.

      • I have got the 4TB version after it was OOS on Amazon JP for some time, nvme id-ctrl displays the firmware version as EIFM31.6, would this mean it still uses the Phison controller?

    • +3

      Assuming the 5 year warranty won't count given its an international purchase?

      We go through this question every time there's an Amazon deal.

      ACL means the retailer is responsible for the warranty period.
      ACL gives zero frucks about the "sold by" BS that amazon pulls, and cares if you bought it from a .com, .co.jp, or .com.au storefront.

      If you buy it from the .au website, and it's advertised, it's both binding, and you can return to Amazon.
      Don't expect it to go too smoothly, and expect to have to train amazons staff for them, linking various Australian rights and such, but in the end I've ALWAYS managed to get them to come to the party.

      • Fair enough, appreciate the response. 😊

  • Grabbed the recent deal on the lexar https://www.bpctech.com.au/product/lnm790x004t-rnnng-lexar-n…

    Grabbed a heatink and its been amazing. Total cost with that special ended up being $300 I get the special is off, any advantages of this drive over what I already have?

    Have had zero issues with it so far but kept having people say lexar were unreliable.

    • NM790 4TB is well priced (for the time being) and most people won't be able to tell the difference. It is still DRAMless and the controller used in that SSD is a cost effective one. It does support the high bandwidth (but with less cores, its foldback write recovery won't be as snappy). That said, I doubt you have the type of usages where foldback write performance is a huge issue.

      If you really want to know the difference, you could run a full drive write test, but I don't recommend as that basically takes 4TB out of the SSD's TBW. The type of usage where DRAM based SSDs win is also a pain to test for most people (thus, most people don't have that usage). Another nitpick is YMTC hyped up the NAND so it quoted a really high write cycle rating, as such, there is likely less spare cells (which does translate to a slightly smaller SLC cache compared to this). That said, XS70, based on reviews I saw, isn't the most aggressive Phison E18 SSD in terms of SLC cache.

      Another issue, which I hope you won't need to worry about is BPC's warranty support isn't great.

    • I have the 2TB version and although it’s definitely a fast drive, at least according to the synthetic benchmarks I’ve run, it runs VERY hot, in comparison to the other Gen 3 and Gen 4 drives I have. The 4TB MP34 and the 4TB SP XS70 run a lot cooler.

    • what was the price it was on sale for?

      300 is a bargain although i dont understand how its getting that performance without dram

      • they had a deal with a discount code up until last week.

        I paired it with a sabrant heatsink which is cooling it very well, it's been very snappy in my ps5, previous had an Aorus 5500/5000x in it, and it's been on par if not faster than it was.

        So far running temps are pretty sweet, I expected it to run way hotter.

        • ah ok. i guess as a game drive its just loading games so less random read writes

          perhaps thats why its performing well

          was looking for a 4tb OS drive

  • Need closer to $200 to pull the trigger. Have no immediate need for now. Maybe a year later?

  • fail to see how this is a bargain when there are cheaper alternatives that do the same thing….

    • It's pretty much whether you can resist flagship 4TB PCIe gen 4 x4 SSDs or not.

  • +3

    In case people are wondering why there is a price drop, I am guessing it is due to this:

    Innogrit ig5236 controller being used for 4TB version now. I do hope it is really still Micron 176L(B47R) NAND at least.

    Anyway, with the swap, it becomes harder to figure out what's a good price for this SSD.

  • Mine just arrived today. The parcel is simple and here is the photo: https://imgur.com/a/pMeeWLE

    Can post more details when I return home and run some tests. Any recommended tools?

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