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Item #:
230759740
Samsung SSD 256GB PM991 M.2 2242 42mm PCIe 3.0 x4 NVMe MZALQ256HAJD MZ-ALQ2560 Solid State Drive
89% of respondents would recommend this to a friend
Item #:
230759740
MMK 297231
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Imported from USA store
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Upgrade your system with the Samsung PM9C1a 512GB NVMe SSD, featuring PCIe Gen4 x4 technology and lightning-fast read speeds up to 6,000MB/sec.
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What Stands Out
High-Speed Performance
Delivers exceptional data transfer speeds with PCIe 3.0 X4 NVMe connectivity, significantly improving application load times and overall system responsiveness compared to traditional hard drives.
Compact Form Factor
The 2242 42mm M.2 design provides a space-efficient solution ideal for ultra-thin laptops and compact PCs, allowing for easy upgrades without compromising on performance or storage.
Reliable Durability
Engineered for longevity, the Samsung SSD incorporates advanced technologies that enhance endurance and data integrity, making it a trustworthy choice for both casual users and professionals demanding reliable storage.
Product Details
| Digital Storage Capacity | 256 GB |
| Hard Disk Interface | NVMe |
| Connectivity Technology | PCIe |
| Additional Features | Portable |
| Hard Disk Form Factor | 2.24 meters |
| Compatible Devices | Desktop |
| Media Speed | 1300 MB/s |
| Cache Memory Installed Size | 256 |
| Form Factor | M2 |
| Hardware Connectivity | PCIE x 1 |
| Hard-Drive Size | 256 GB |
| Item Weight | 0.01 g |
| Item Dimensions L x W x Thickness | 1.7"L x 0.9"W x 0.1"Th |
| Number of Items | 1 |
| Brand | Samsung |
| Model Number | PM991 |
| Hard Disk Description | Solid State Drive |
| Model Name | PM991 |
| Manufacturer | Samsung |
| UPC | 887276049069 |
| Mfr Part Number | MZALQ256HAJD MZ-ALQ2560 |
| Installation Type | Internal Hard Drive |
| Color | PCIe 3.0 2242 |
| Enclosure Material | Nand Flash |
| Special Feature | Portable |
| Package Weight | 1.0 Pound (450 grams) |
Who Should Buy?
-
Casual Users
Ideal for everyday activities such as browsing and video streaming, providing quick boot and load times.
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Compact Devices
Perfect for ultrabooks and tablets due to its M.2 2242 size, saving space without sacrificing performance.
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Budget Gamers
Great for gamers on a budget looking for improved load times without investing in high-capacity drives.
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Power Users
Not suitable for heavy workloads involving large file transfers or professional applications due to limited capacity.
Product Description
Samsung SSD 256GB PM991 M.2 2242 42mm PCIe 3.0 x4 NVMe MZALQ256HAJD MZ-ALQ2560 Solid State Drive
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Customer Questions & Answers
-
Question:
What devices are compatible with the Samsung PM9C1a SSD?
Answer: It is compatible with any M.2 2242 PCIe NVMe devices. -
Question:
What is the maximum read speed of the Samsung PM9C1a SSD?
Answer: The maximum read speed is up to 6,000MB/sec. -
Question:
Is the Samsung PM9C1a SSD suitable for gaming?
Answer: Yes, its high-speed performance makes it suitable for gaming and other intensive tasks.
Samsung Internal Solid State Drives PM991 Editorial Review
### Editorial Review The Samsung M.2 2242 NVMe drive has garnered a favorable reception among users, especially those utilizing it with Raspberry Pi 5 and Orange Pi 5 systems. The standout feature of this drive is its impressive performance, with users reporting speeds around 800 MB/s when set to PCIe Gen3 mode. This speed is significantly higher than traditional microSD cards, enhancing the overall user experience when installing and running operating systems directly from the NVMe drive. Setup appears to be straightforward for those familiar with Raspberry Pi configurations, with users citing a simple process to flash the EEPROM using necessary updates. This method has impressed many as it allows for a seamless migration from SD cards to NVMe drives, optimizing system performance—some users even claimed speed increases of up to ten times. Several reviews note the drive’s reliability and effectiveness in various use cases. It was not only praised for its operation in Raspberry Pi environments but also noted as effective in data transfer when used with external NVMe cases. Users highlighted that the drive does not overheat, maintaining a steady performance, which adds to its appeal. However, the product’s packaging did raise eyebrows, with some customers expressing skepticism about its authenticity due to unconventional packaging methods. The drive arrived in minimalistic, unbranded packaging that some Considered a red flag. In spite of its packaging issues, the drive's functionality has led to multiple repeat purchases from satisfied customers. A few isolated incidents of incompatibility with certain devices, such as laptops, were mentioned, but these seemed to be more related to user equipment rather than the product itself. ### Pros and Cons **
Customer Reviews & Ratings
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Pros
- High performance with speeds around 800 MB/s in PCIe Gen3 mode.
- Significant speed improvement over traditional microSD cards.
- User-friendly setup process, especially for Raspberry Pi configurations.
- Reliable performance in both Raspberry Pi and external NVMe scenarios.
- No overheating reported during use.
Cons
- Unconventional packaging raises questions about authenticity.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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MMK 297231
Order now and get it around Tuesday, October 06
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Features & Benefits
- Upgrade your system performance with Samsung PM9C1a 512GB NVMe SSD.
- Enjoy lightning-fast read speeds of up to 6,000MB/sec.
- Designed for compact M.2 2242 form factor, perfect for laptops and mini PCs.
- Reliable daily performance with Samsung V-NAND and HMB support.
- Ideal for office work, online meetings, and everyday computing tasks.
- Cost-effective solution for upgrading compatible PCIe NVMe devices.
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