SP 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5 7mm (0.28) Internal Solid State Drive (SP001TBSS3A55S25)

(213 Reviews)

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$21.58

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(30000 available )

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  • Ed Rockefel

    > 3 day

    Lo mejor en SSD. Y muy barato el precio a pagar.

  • Cacique

    > 3 day

    First time buying this item. Feels very cheap, all plastic and very light. Well, lets see how it does. Thats why a 4 stars. If it last Ill come back and give 5 stars or 1 star if it fails.

  • PR from Colorado

    > 3 day

    I chose this SSD for a home security camera recordings, to keep the computer as quiet as possible and lower the power consumption on a 24-hour device. At this price point and with a 1000 TBW, there is no reason to worry about wearing it out with recording overwrites, by the time it dies I will either need a new PC, or another storage technology will be available. It is very fast for the intended use, scrolling through video recordings is instantaneous and smooth. Highly recommend.

  • C.K.

    > 3 day

    Excellent deal at that low price!

  • Nahum Bermeo Barrera

    > 3 day

    My old laptop turns on in 10 seconds with this HD wow!

  • Orcatrainer

    > 3 day

    With all the fake (often with unknown brand) SSD out there, its always good to stick to known brands. This is a good genuine drive, with good read/write speed, which I am using for backup, on my Lenovo laptop, connected to USB-C, using a SATA to USB-C adapter. Those read/write results are while using that SATA to USB-C adapter, and may be different (faster?) if you plug this drive directly on your motherboard, using a SATA port.

  • Matthew

    Greater than one week

    Have had this drive Since December 9th of 2022 (It is now April 2nd 2023) and so far it is still going ok. The storage is as advertised at the full 2TB, Which for the price was what sold me. Even with the neutral to negative reviews that I had seen. However, The average response time is worse that the 2TB Seagate HDD. Im seeing an average response time of over 500ms on average with occasional spikes to 900ms. The HDD averages around 3.2 to 12ms. The only reason that I have not really noticed the delay is im not running the highest graphics in games that require the fast response. Just simply needed more storage. Not a terrible SSD, but not responsive enough for fast random read/writes. Good for bulk storage. (Longevity is still in question).

  • Earthperson

    > 3 day

    I have three of these disks (1 TB) installed in a ZFS pool (no mirroring, no raidz). I needed cheap SSDs for my workloads, which are heavily write intensive, but require sporadic, small sized, random reads, a few times every second. Well, NAND flash can be great for that. Or at-least thats what youd expect. Sidenote: if you know anything about 7200rpm spinning drives, you know they can sustain a reasonable ~150-200MB/s sequential write, but throughput will suffer quite a bit if they need to simultaneously seek to fetch non-contiguous data. And then theres the issue of limited IOPS. I wasnt expecting miracles from these SSDs, but I was certainly expecting each to sustain atleast ~200 MB/s sequential writes. Well lo and behold, once you blow through the onboard SLC cache after a measly 30 seconds of writes at ~500MB/s, the drives start choking. Nothing more than ~65MB/s after that. I know these are TLC drives with SLC cache, but woof, those numbers arent great. So, if your workload isnt write heavy, by all means get this thing. But Id think youd want a little more performance out of something only fractionally cheaper than better performing alternatives. Also, no benchmarks posted on here use a large enough test file size to actually blow through the SLC cache, so the only thing you see results for is your SATA connection and/or packet congestion in the PCIe lane. On the positive side, sustained read performance was as expected, saturated the SATA III link without any issues.

  • Gamma

    11-06-2025

    It isnt the best performing thing out there, but it sure is a heck of a lot better than the HDD it replaced. Would recommend this brand if you need quick and cheap SSDs that are likely to perform acceptably.

  • John Phillips

    > 3 day

    Exceptional price - no problems with install - works great. I recommend this product.

3D NAND Technology for Enhanced Reliability and Power Efficiency

Applying the advanced 3D NAND flash, Ace A55 features higher reliability and better power efficiency than traditional SSDs equipped with 2D NAND flash. The A55 offers improved endurance and longer battery life that you"re able to work longer without frequently recharge your laptop.

High Transfer Speeds for Fast Start Up

Powered by high quality controller and original synchronous NAND flash, the A55 delivers incredibly high transfer speeds that enable short boot time, fast application loading and quick file processing.

SLC Cache Technology for Performance Boost and Longer Lifespan

The A55 especially applies the ”SLC Cache technology” that allows all data to be written in the SLC portion first and leads to higher peak writing performance. In addition, the technology can reduce write amplification and thus offer better endurance and longer lifespan of the SSD.

Free-download SSD Health Monitor Tool - SP Toolbox Software

The A55 comes with a free-download SSD health monitor tool - SP Toolbox Software, which is especially designed for you to easily monitor the current health status of a SSD. By such, you can run a performance test, get an overall health evaluation and check detailed information about your SSD, including used space on device, device temperature, total bytes written, S.M.A.R.T. status, erase count status and block numbers.

*Please download the software at SP Official Website.

Absolutely Reliable with Bad Block Management

The A55 is built with Bad Block Management, which can continually monitor and replace bad blocks to keep your system in good condition with prolonged lifespan of a SSD.

Multiple Techniques Supported

The A55 is one of the lightest and thinnest SSD of its kind yet it is shock- and vibration-proof since it contains no moving parts. Furthermore, S.M.A.R.T. monitoring system and ECC technology are equipped to promise higher data transmission safety.

Silicon Power - A55 SSDSilicon Power - A55 SSD
Silicon Power -  3D Nand FlashSilicon Power -  3D Nand Flash
Silicon Power - SSD A55 MultitaskingSilicon Power - SSD A55 Multitasking
Silicon Power - Multiple Techniques SupportedSilicon Power - Multiple Techniques Supported
External Hard Drive Armor A60 SP - SODIMM XPower Turbine XPower RGB Turbine
Armor A60 Rugged Portable External Hard Drive Low Voltage and Power Saving DDR3L Unbuffered SODIMM XPOWER Turbine DDR4 Gaming Memory Module XPOWER Turbine RGB DDR4 Gaming Memory Module
Product Type Portable External Hard Drive Memory Module Gaming Memory Module Gaming Memory Module
Interface USB 3.0 DDR3L SODIMM DDR4 UDIMM without ECC DDR4 UDIMM without ECC
Capacity 1TB-5TB 4GB-16GB 8GB, 16GB Dual Channel Kit - 16GB (8GB*2), 32GB (16GB*2) 8GB, 16GB Dual Channel Kit - 16GB (8GB*2), 32GB (16GB*2)
Dimension(inch) 5.45 x 3.38 x 0.91 inches 6.6 x 2.4 x 0.4 inches 6.5 x 2.4 x 0.4 inches 6.5 x 2.4 x 0.4 inches
Highlights Military-grade Shockproof & Water-resistant, Cable-carry Design, Anti-slip, Anti-scratch 100% tested for stability, durability and compatibility. Original and high quality memory module. Made of selected original memory modules and is 100% factory-tested to High Stability, Durability, and Compatibility Authentic and high-quality SP memory module. Dynamic thermal heatsink mechanism to prevent overheating

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