PNY CS900 250GB 3D NAND 2.5" SATA III Internal Solid State Drive (SSD) - (SSD7CS900-250-RB)
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AI Verdict
This 250GB 2.5-inch SATA III SSD delivers up to 535MB/s read and 500MB/s write, making it a budget-friendly upgrade for older systems with spinning hard drives.
This 250GB SATA III SSD is a situational fit, primarily serving as a cost-effective upgrade for very old systems still running on HDDs, offering a noticeable boost in OS boot times and application loading with its 535MB/s read speed. However, its small capacity and DRAM-less design limit its utility for modern, demanding use cases.
If you need more storage or consistent performance for larger files, look for SSDs with 500GB+ capacity and a DRAM cache, or consider an NVMe drive if your system supports it.
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Pros
- Offers sequential read speeds up to 535MB/s and sequential write speeds up to 500MB/s, significantly faster than traditional HDDs.
- Features ultra-low power consumption, beneficial for laptop battery life.
- Has no moving parts, contributing to higher durability compared to hard disk drives.
- Backwards compatible with SATA II 3GB/sec interfaces, ensuring broad compatibility with older systems.
- Comes with a 3-year warranty for peace of mind.
- Users report easy cloning processes for system migration.
Cons
- 250GB capacity is small for modern operating systems, large applications, or extensive game libraries.
- Lacks a DRAM cache, which can lead to significant performance degradation during sustained large file writes, especially over 400GB.
- Uses a Phison S11 controller, which has been associated with early failures and the 'SATAFIRM S11' issue, causing the drive to become unrecognized.
- Sustained write performance can drop dramatically, with some users reporting the drive pausing entirely during large transfers.
- Some users have reported difficulties with warranty claims despite the 3-year coverage.
Dimension Scores
Achieves near-maximum sequential read speeds of 535MB/s and write speeds of 500MB/s for the SATA III interface, but sustained write performance is compromised by its DRAM-less design.
While it has a 3-year warranty, numerous user reports indicate early failures, often linked to the Phison S11 controller, with drives becoming unresponsive or showing 'SATAFIRM S11'.
250GB is a minimal capacity for modern computing, barely sufficient for an operating system and a few applications, making it a tight fit for most users today.
The 2.5-inch SATA III form factor offers near-universal compatibility with a vast range of older laptops and desktops, including backwards compatibility with SATA II.
Best For
- Reviving an older laptop or desktop PC currently using a slow hard disk drive.
- Use as a dedicated boot drive for a lightweight operating system and essential productivity applications.
- Budget-conscious users seeking a noticeable speed boost for basic computing tasks.
- As a secondary storage drive for less frequently accessed files where sustained write performance isn't critical.
Not Recommended For
- Users requiring large storage capacity for extensive game libraries, media, or professional applications.
- Anyone needing consistent high-speed sustained write performance for large file transfers or video editing.
- New PC builds where NVMe SSDs offer significantly faster performance and are often the standard.
- Mission-critical systems where data integrity and long-term reliability are paramount due to reported failure rates.
Watch Out For
- The drive is DRAM-less, meaning after its small SLC cache is filled (around 400GB for larger capacities, likely less for 250GB), write speeds can plummet and the drive may even pause during large transfers.
- Multiple users have experienced early drive failures, often within one to two years, with the drive becoming undetectable or showing 'SATAFIRM S11' in the BIOS.
- Despite a 3-year warranty, some customers have reported challenges or unsatisfactory experiences when attempting to process warranty claims.
- Actual usable capacity will be less than 250GB due to formatting and system overhead, which can be a tight squeeze for modern operating systems and a few applications.
Full Specifications
| ASIN | B07XZLW68F |
| Brand | PNY |
| Color | Black |
| Series | CS900 |
| Hard Drive | 250 GB Solid State Hard Drive |
| Item Weight | 1.59 ounces |
| Manufacturer | PNY |
| Special Feature | Hardware Encryption |
| Flash Memory Size | 250 |
| Hardware Platform | Mac, PC |
| Installation Type | Internal Hard Drive |
| Item model number | SSD7CS900-250-RB |
| Compatible Devices | Laptop |
| Product Dimensions | 7.1 x 5.9 x 0.3 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 | 7.1 x 5.9 x 0.3 inches |
| Connectivity Technology | SATA |
| Digital Storage Capacity | 250 GB |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users bought this SSD to breathe new life into old laptops or desktops, and for that specific task, it generally delivers a noticeable speed bump over traditional hard drives. However, a recurring and concerning issue is the drive's reliability, with multiple reports of failures occurring within a year or two of use, often presenting as the drive becoming unreadable. The performance for everyday tasks like booting and opening apps is praised, but don't expect it to handle large, sustained file transfers without slowing down dramatically due to its DRAM-less architecture.
“I bought this to speed up my old Dell laptop and it totally did, Windows boots way faster now. But then after like 14 months, it just died, totally gone, couldn't even see it in BIOS. Lost everything. So yeah, fast, but maybe don't trust it with important stuff.”
Common Praise
- System boot times are significantly faster compared to old hard drives.
- Applications load much quicker, improving overall system responsiveness.
- Installation and cloning process is straightforward for most users.
- Offers a cost-effective way to upgrade an aging computer.
- Works well for basic computing tasks like web browsing and document editing.
Common Complaints
- Drive failures reported within months to a couple of years, often resulting in data loss.
- Performance tanks during large file transfers (e.g., over 400GB), with write speeds dropping severely or the drive pausing.
- The drive can become unrecognized by the system, sometimes displaying 'SATAFIRM S11'.
- Warranty claims can be a hassle, with some users reporting poor customer service.
- 250GB capacity quickly becomes insufficient for users with more than a few programs or games.
Ownership Tips
- The initial speed boost is very noticeable, especially coming from an HDD, making old systems feel usable again.
- You'll quickly realize 250GB isn't much space once Windows and a few programs are installed; constant storage management is required.
- For light, everyday use, the performance holds up, but try to copy a big game or a folder of videos, and you'll see the write speeds crawl.
- Keeping regular backups is crucial; the reported failure rate means you can't rely on it for critical data.
- The drive runs cool and quiet, as expected from an SSD, which is a minor plus for laptops.
Frequently Asked Questions
Is this SSD compatible with my laptop?
Yes, if your laptop has a 2.5-inch drive bay and a SATA III (6GB/s) port, this SSD will be compatible. It's also backwards compatible with SATA II (3GB/s).
How much faster is this than a traditional hard drive?
It's significantly faster. This SSD offers sequential read speeds up to 535MB/s and write speeds up to 500MB/s, whereas typical hard drives rarely exceed 100-150MB/s.
Can I use this as my main drive for Windows and games?
You can use it for Windows and essential applications, but 250GB fills up quickly. For many modern games, this capacity will be insufficient, and you'll likely need to manage installations frequently.
Does this SSD come with cloning software?
The product specifications do not mention included cloning software. You would likely need to acquire third-party software for migrating your operating system.
What does 'DRAM-less' mean for performance?
Being DRAM-less means the SSD uses a portion of its NAND flash as a cache instead of dedicated DRAM. This can cause a significant drop in write speeds, especially when transferring large files that exceed the cache size.
Buying Guide
When you're looking at an SSD, you're mostly trying to ditch the slowness of old spinning hard drives. The big numbers you see, like read and write speeds, tell you how fast it can grab or save data. For everyday stuff like booting up your computer or opening apps, even a basic SSD like this one will feel like a huge upgrade. But if you're moving huge files around all the time, some budget SSDs can slow down a lot after a while.
Capacity (250GB)
This is how much data the drive can hold, like the size of a closet. 250GB is pretty small; it's enough for your operating system and a handful of programs, but you'll run out of space fast if you install many games or store lots of photos and videos.
Interface (SATA III)
This is the connection type, like the road your data travels on. SATA III is the standard for 2.5-inch SSDs, offering speeds up to 600MB/s. It's much faster than old hard drives but slower than newer NVMe SSDs, which use a different, faster 'road' called PCIe.
Sequential Read/Write Speeds (535MB/s Read, 500MB/s Write)
These numbers tell you how fast the drive can read or write large, continuous files, like copying a big movie. Think of it as the top speed your car can hit on the highway. For small, everyday tasks, these speeds make a big difference, but for very large transfers, some budget SSDs can't maintain these speeds.
Alternatives
If 250GB isn't enough, look for SSDs with 500GB or 1TB capacity. If you need consistent high performance for large files, prioritize drives with a dedicated DRAM cache or consider upgrading to an NVMe SSD if your motherboard supports it.
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