PNY CS900 1TB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-1TB-RB)
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AI Verdict
This 1TB DRAM-less SATA III SSD offers up to 535MB/s read and 515MB/s write, best for reviving older laptops or as secondary storage.
This 1TB SATA III SSD is a situational fit, offering a significant speed bump over HDDs for basic tasks and older systems. Its 535MB/s read and 515MB/s write speeds are standard for SATA, but the lack of DRAM limits its performance during large, sustained writes. It's a cost-effective way to extend the life of compatible laptops.
If you need consistent write performance for large files, look for an SSD with a dedicated DRAM cache.
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Pros
- Offers sequential read speeds up to 535MB/s and sequential write speeds up to 515MB/s, providing a noticeable speed increase over traditional HDDs.
- Runs cooler than NVMe drives, which can help with system heat management.
- Serves as a cost-effective upgrade for traditional hard drives in older systems.
- Many users report the drive holding up well for years, with S.M.A.R.T. values indicating over 90% life remaining.
- Installation is straightforward due to its 2.5-inch form factor and SATA III interface.
Cons
- Lacks a dedicated DRAM cache, which can significantly impact sustained write performance after the SLC cache is saturated.
- Write speeds can drop severely (e.g., after 400GB transfer) when the SLC cache is full, sometimes causing transfers to pause entirely.
- Uses a Phison S11 controller, which has anecdotal reports of being prone to failure.
- Not suitable for heavy, sustained write operations due to its DRAM-less design and performance drops.
Dimension Scores
It hits the typical maximums for SATA III (535MB/s read, 515MB/s write), but sustained writes can drop significantly due to the lack of DRAM.
While many users report long-term use, there are anecdotal reports of the Phison S11 controller being prone to failure and some users experiencing early drive failures.
1TB is a common and practical capacity for a boot drive or secondary storage in today's computing environment.
Its 2.5-inch form factor and SATA III interface ensure broad compatibility with most laptops and desktops that accept 2.5-inch drives.
Best For
- Upgrading an old laptop or desktop from a traditional HDD to improve boot times and application loads.
- Secondary storage for games or less critical data where peak performance isn't the priority.
- Mini PCs or systems where NVMe speeds aren't supported or are unnecessary.
- As a boot drive for basic operating systems and everyday applications.
Not Recommended For
- Workstations requiring constant, large file transfers or heavy, sustained write operations.
- Users expecting NVMe-level performance for demanding tasks.
- Critical data storage without robust backup solutions, given reported controller issues and early failures.
Watch Out For
- Sustained write performance can drop dramatically, with one user reporting abysmal speeds after the initial 400GB transfer.
- The Phison S11 controller has anecdotal reports of being prone to failure, which could lead to unexpected drive issues.
- Some users experienced sudden drive failures within a year of use, indicating potential longevity concerns.
- The drive does not include a SATA cable, so you'll need to purchase one separately for installation.
Full Specifications
| ASIN | B07Y5VDNT9 |
| Brand | PNY |
| Color | Black |
| Series | CS900 |
| Voltage | 28 Volts |
| Language | French |
| Batteries | 1 AAAA batteries required. |
| Hard Drive | 1 TB Solid State Hard Drive |
| Item Weight | 2.11 ounces |
| Manufacturer | PNY |
| Power Source | Electric Power |
| Special Feature | Data Recovery Service |
| Flash Memory Size | 1 |
| Hardware Platform | PC, laptop |
| Installation Type | Internal Hard Drive |
| Item model number | SSD7CS900-1TB-RB |
| Compatible Devices | Laptop |
| Product Dimensions | 3.94 x 2.76 x 0.28 inches |
| Hard Disk Interface | Solid State |
| Hard Drive Interface | Solid State |
| Hard Disk Description | Solid State Hard Drive |
| Hard Disk Form Factor | 2.5 Inches |
| Item Dimensions LxWxH | 3.94 x 2.76 x 0.28 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 1 TB |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users grab this PNY CS900 1TB SSD for its low price, often to breathe new life into older machines, and it generally delivers on that promise by speeding up boot times and application loads compared to old HDDs. However, a recurring complaint is the dramatic drop in write speeds when transferring large amounts of data, sometimes after only 400GB, which points to its DRAM-less design and limited SLC cache. Some folks have also reported early failures, making backups even more critical. Despite these issues, it's frequently praised for its straightforward installation and being a noticeable upgrade for basic use cases.
“Man, this thing made my old laptop actually usable again for like twenty bucks, but trying to move my whole Steam library at once was a nightmare, it just crawled.”
Common Praise
- Revives old laptops and desktops, making them significantly faster than with an HDD.
- Boot times and application launches are noticeably quicker.
- Installation is super easy and it works straight out of the box.
- Runs cooler than NVMe drives, which is a plus for system heat management.
- Provides ample 1TB storage for documents, media, and games.
Common Complaints
- Sustained write speeds drop severely after the SLC cache is saturated, sometimes pausing transfers entirely.
- Lacks a DRAM cache, which impacts performance during heavy write operations.
- Anecdotal reports of the Phison S11 controller being prone to failure.
- Some users experienced the drive dying within a year.
- Does not come with a SATA cable, requiring a separate purchase.
Ownership Tips
- You'll definitely feel the speed difference if you're coming from an HDD, especially for booting Windows.
- Don't expect to dump hundreds of gigabytes onto it in one go without seeing a performance hit.
- It stays pretty cool, even when doing some file transfers, unlike some hotter NVMe drives.
- Make sure you have a SATA cable and possibly a 2.5-inch mounting bracket handy, as it doesn't come with them.
Frequently Asked Questions
Is this SSD compatible with my laptop?
Yes, it uses a 2.5-inch form factor and SATA III interface, making it compatible with most laptops and desktops that support 2.5-inch SATA drives.
What are the read and write speeds?
It offers sequential read speeds up to 535MB/s and sequential write speeds up to 515MB/s.
Does this SSD come with a SATA cable or mounting screws?
No, it typically does not include a SATA cable or mounting screws, so you'll need to provide those separately.
Is this a good SSD for gaming?
It's suitable for storing games and reducing load times compared to an HDD, but it won't offer the same speed as NVMe drives for games that load tons of files at once.
Does this SSD have DRAM?
No, the PNY CS900 series is a DRAM-less SSD, which can affect sustained write performance.
What kind of warranty does it have?
PNY offers a three-year warranty for these drives.
Buying Guide
When you're looking at an SSD like this, you're mostly thinking about replacing an old, slow hard drive. The big win here is how much faster your computer will feel for everyday stuff, like starting up and opening programs. Don't get hung up on comparing its speed to the super-fast NVMe drives; this is a different league, designed for compatibility and cost-effectiveness in older systems. Just know it's a huge step up from a spinning disk, but it has its limits for heavy-duty tasks.
Read/Write Speeds (e.g., 535MB/s Read, 515MB/s Write)
Form Factor (2.5 Inches)
Interface (SATA III)
DRAM-less
Alternatives
If you need consistent high-speed write performance for large files, search for SATA SSDs with a dedicated DRAM cache, or consider NVMe SSDs if your system supports them.
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