Addlink S85 1TB NVMe SSD Review: Specs, Pros and Cons

What stands out

• Sequential read speeds reach up to 6000MB/s
• Sequential write speeds reach up to 5400MB/s
• DRAM-less design with Host Memory Buffer technology
• Ultra-slim 2.25mm height for thin laptops and mini PCs
• Backward compatible with PCIe 3.0 slots

Who it fits

Key specs for this drive

Max Read Speed: 6000MB/s

This speed measures how fast the drive retrieves data. It is roughly ten times faster than a standard SATA SSD. You will notice quicker system boots and faster loading times for games or large applications. This performance level suits users who move big files often or run demanding software on a modern PC.

Max Write Speed: 5400MB/s

This value indicates how quickly the drive saves new data. High write speeds reduce the time needed for installing games, editing videos, or copying large datasets. Compared to older drives, this speed helps keep your workflow smooth when handling heavy workloads. It is a key metric for productivity-focused buyers.

Interface: PCIe 4.0

This interface defines the connection standard between the SSD and your motherboard. PCIe 4.0 offers more bandwidth than PCIe 3.0, enabling higher transfer rates. Ensure your motherboard supports this standard to achieve the listed speeds. The drive remains backward compatible with PCIe 3.0 slots, though performance will adjust accordingly.

Cache Type: Host Memory Buffer (HMB)

HMB allows the SSD to use a small portion of your system RAM instead of a dedicated DRAM chip. This design keeps costs lower while maintaining strong performance. It is particularly useful for gaming laptops, as it can help preserve battery life. You get efficient data management without the bulk of a DRAM-equipped drive.

Form Factor: M.2 2280

This physical size is the standard for most modern laptops and desktops. The drive measures 80mm in length and fits directly into M.2 slots on your motherboard. Its slim profile ensures it fits in thin devices without requiring extra space. This form factor is widely supported, making installation straightforward for most builds.

Design and build quality

The Addlink S85 uses an M.2 2280 form factor. This standard size fits most modern laptops, desktops, and mini PCs. The listing notes a height of just 2.25mm. This ultra-slim profile ensures it clears low-profile heatsinks and fits into thin chassis without interference. You do not need to worry about clearance issues in compact builds.

The drive is available in a version without a heatsink. According to the listing, this configuration reaches up to 6000MB/s. The lack of a bulky metal cover keeps the overall weight and profile minimal. This makes it ideal for gaming laptops where battery life and internal space are at a premium. The DRAM-less design with Host Memory Buffer technology also contributes to lower power draw, which helps preserve battery life during mobile use.

The unit features 3D TLC NAND flash. This component choice supports the NVMe 1.4 protocol for reliable data handling. The drive is backward compatible with PCIe 3.0 slots, though it will run at Gen3 speeds in older systems. This flexibility allows you to install it in a wider range of computers. The build focuses on efficiency and compatibility rather than heavy-duty thermal management. You get a straightforward, slim drive that integrates easily into standard PC configurations without requiring additional cooling solutions.

Setup and everyday use

Installing this drive is straightforward for most systems. The M.2 2280 form factor is the standard size for modern computers. You will need a motherboard or laptop with an available M.2 slot. The listing confirms compatibility with laptops, desktops, and gaming PCs. It supports PCIe 4.0 interfaces. If your system only supports PCIe 3.0, the drive remains backward compatible. It will simply operate at PCIe 3.0 speeds. The physical height is listed as 2.25mm. This slim profile helps it fit into thin chassis. It should clear low-profile heatsinks in most cases. You do not need to install a separate heatsink unless your system requires one for thermal management. The drive uses NVMe 1.4 protocol. This ensures standard communication with your operating system. Setup involves securing the drive in the slot and configuring it in your BIOS or OS. Once installed, the Host Memory Buffer technology manages performance. This DRAM-less design relies on system RAM. It helps maintain the advertised 6000MB/s read and 5400MB/s write speeds. For daily tasks, the speed difference from SATA drives is noticeable. You will see faster boot times and quicker application launches. Large file transfers benefit from the high sequential throughput. The 3D TLC NAND flash provides reliable storage for gaming and content creation. The drive is designed for dependable everyday computing. It does not require special drivers beyond standard NVMe support. You can use it for general productivity, media editing, and gaming. The 1TB capacity offers ample space for your operating system and applications.

Before you buy this drive

You should verify your system has an available M.2 2280 slot. This drive fits thin laptops, desktops, and mini PCs. It is backward compatible with PCIe 3.0, but it will run at Gen3 speeds if your motherboard only supports that standard. Since it uses Host Memory Buffer technology, you do not need to worry about a dedicated DRAM chip. This design helps preserve battery life in gaming laptops. You must ensure your BIOS is updated to support NVMe 1.4 for optimal performance. This drive sits in the entry-level tier of PCIe 4.0 options. It offers strong sequential speeds for everyday tasks without the cost of high-end models. If you need maximum throughput for heavy content creation, you might look at higher-tier drives. For general computing and gaming, this unit provides reliable speed. Keep your drivers current to maintain stability.

Check before you buy

• Confirm your motherboard has an available M.2 2280 slot.
• Check if your system supports PCIe 4.0 for full speed.
• Verify BIOS supports NVMe 1.4 for best compatibility.
• Ensure your laptop chassis allows for 2.25mm drive height.

The product at a glance

1

Addlink S85 1TB PCIe 4.0 SSD

Best for: compact laptops needing slim PCIe 4.0 storage

Storage Capacity

1TB

Interface

PCIe 4.0

Form Factor

M.2 2280

Max Read Speed

6000MB/s

Max Write Speed

5400MB/s

Cache Type

Host Memory Buffer (HMB)

View on Amazon: Addlink S85 1TB PCIe 4.0 SSD Affiliate link

The Addlink S85 1TB is a PCIe 4.0 M.2 2280 solid-state drive built with 3D TLC NAND flash. It delivers sequential read speeds up to 6000MB/s and sequential write speeds up to 5400MB/s. Using Host Memory Buffer technology and a slim 2.25mm profile, this drive suits you if you need compact Gen4 storage for a laptop, desktop, or mini PC.

Pros

• Sequential read speeds reach up to 6000MB/s and writes reach up to 5400MB/s
• Slim 2.25mm height fits thin laptops and space-constrained mini PCs
• Built with dependable 3D TLC NAND flash memory
• Includes a 5-year limited manufacturer warranty

Cons

• Uses a DRAM-less design that relies on Host Memory Buffer rather than dedicated onboard cache
• Sequential read speed of 6000MB/s falls below the maximum bandwidth ceiling of PCIe 4.0

Good fit if

• You need a thin 2.25mm drive to fit into a compact laptop or small-form-factor desktop.
• You want Gen4 transfer rates reaching up to 6000MB/s using 3D TLC NAND.
• You prioritize a five-year limited warranty for your system storage.

Skip if

• You require an SSD with dedicated onboard DRAM cache instead of an HMB design.
• You need maximum Gen4 read performance exceeding 6000MB/s.

Verdict: Addlink S85 1TB Gen4 NVMe SSD provides up to 6000MB/s read speeds within an ultra-thin 2.25mm layout for laptop users wanting efficient PCIe 4.0 storage.

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