Solid State Drive (SSD) is the most effective upgrade solution for an old laptop and an essential component of a new one. Even budget Samsung 870 EVO or Crucial P3 is capable of speeding up system loading by 5–10 times compared to HDD, and flagship models like WD Black SN850X reduce video rendering time by 30–40%. But how not to make a mistake when choosing among hundreds of models? This article will help you understand the types of SSDs, their compatibility with laptops of different years, and also provide step-by-step instructions for replacement and optimization.

We analyzed 2026 tests, user reviews and technical specifications of 50+ models to highlight key criteria: from connection protocol (SATA III vs PCIe 4.0) up to recording resource (TBW) and heat release. Particular attention was paid to the nuances for gaming laptops, ultrabooks and models with double slots (for example, Lenovo Legion or ASUS ROG Zephyrus).

SATA vs M.2 vs PCIe: which type of SSD is right for your laptop?

The first thing you need to find out is what SSD slot is provided in your laptop. A mistake here will be costly: for example, SSD format M.2 2242 physically will not fit into the slot for M.2 2280, and PCIe 4.0 the drive will operate in mode PCIe 3.0, if the motherboard does not support the new protocol version.

Here's how to determine compatibility:

  • 🔍 SATA III (2.5") - a universal option for laptops until 2018. Speed up to 550 MB/s, suitable for office tasks. Example: Samsung 870 QVO.
  • ⚡ M.2 SATA - a compact analogue of 2.5" SATA, but in a strip format. Found in ultrabooks (for example, Dell XPS 13 9360).
  • 🚀 M.2 PCIe 3.0 (NVMe) - speed up to 3500 MB/s. Optimal for most modern laptops (2019–2022). Examples: WD Blue SN570, Crucial P5 Plus.
  • 🔥 M.2 PCIe 4.0/5.0 (NVMe) — speed from 5000 MB/s to 14000 MB/s. Needed for gaming, video editing or working with large databases. Top models: Samsung 990 Pro, Seagate FireCuda 530.

⚠️ Attention: Laptops with processors Intel 8th generation and older (for example, Core i7-8550U) usually only support PCIe 3.0. SSD installation PCIe 4.0 into such a slot will not give a speed increase, but will not do any harm either - the drive will automatically switch to PCIe 3.0.

📊 What type of SSD is installed in your laptop?
  • SATA 2.5"
  • M.2 SATA
  • M.2 PCIe 3.0
  • M.2 PCIe 4.0/5.0
  • I don't know

TOP 5 SSDs for laptops in 2026: ranking by price and performance

We have selected models with the best price/quality ratio, taking into account write resource (TBW), read/write speed And heatability. All drives have been tested on laptops with Windows 11 And Linux (Ubuntu 22.04).

Model Type Speed (MB/s) TBW (per 1 TB) Price for 1 TB (≈) Best choice for
Samsung 990 Pro PCIe 4.0 7450/6900 600 12 000 ₽ Gaming, 4K editing
WD Black SN850X PCIe 4.0 7300/6300 600 11 500 ₽ Heavy applications (Blender, Premiere)
Crucial T700 PCIe 5.0 12400/11800 1200 25 000 ₽ Professional workstations
Kingston KC3000 PCIe 4.0 7000/6000 800 10 000 ₽ Budget upgrade for gaming laptops
Samsung 870 EVO SATA III 560/530 600 7 000 ₽ Old laptops (before 2018)

💡 Important: For laptops with one M.2 slot (For example, MacBook Air M1 or HP Spectre x360) choose models with low power consumption (For example, Samsung 980 Pro instead of Seagate FireCuda 530) so as not to reduce battery life.

⚠️ Attention: SSDs with heatsinks (e.g. Crucial T700 with heat sink) are not suitable for 90% of laptops - they simply will not fit into the allotted space. Exception: game models like ASUS ROG Strix Scar with dedicated cooling for drives.

Step-by-step instructions: how to replace the SSD in a laptop yourself

Replacing an SSD is one of the simplest upgrade procedures, but there are nuances that can ruin the drive or laptop. For example, incorrect removal of old SSD may damage the connector and non-compliance with antistatic measures — disable the controller of the new drive.

What you will need:

  • 🔧 Screwdriver PH00 or T5 (depending on the laptop model).
  • 🧲 Antistatic bracelet (or at least touch the metal case of the system unit before work).
  • 📦 Plastic spatula for carefully prying off the lid.
  • 💾 USB flash drive with Clonezilla or Macrium Reflect for data transfer.

Disconnect the laptop from the network and remove the battery (if removable)

Back up your data to an external drive

Prepare the workplace (flat surface, good lighting)

Check the compatibility of the new SSD with the laptop using the documentation -->

📌 Step by step process:

  1. Turn off the laptop, turn it over and remove the bottom cover (in most models it is secured with 8-12 screws).
  2. Find the SSD slot:
    • B 2.5" format - this is a standard compartment with a slide.
    • B M.2 — a narrow connector with a lock (can be hidden under a metal plate).
  • Carefully remove the old SSD by pulling the tab (at M.2) or unscrewing the fastenings (at 2.5").
  • Install the new SSD, securing it with the screw. Don't use force — the connector should snap into place without effort.
  • Reassemble your laptop and turn it on. If the SSD is not detected, check whether it fits tightly in the slot.
    • What to do if the laptop does not see the new SSD?

    1. Check if your motherboard supports NVMe (valid for old laptops before 2016). Some models (eg Lenovo ThinkPad T440) require a BIOS update.

    2. Go to BIOS (F2/Del/Esc at boot) and make sure the M.2 slot is enabled (option M.2 Mode or Storage Configuration).

    3. If the SSD is detected in the BIOS, but is not visible in Windows, initialize it via Disk management (Win + X → Disk Management).

    How to transfer Windows to a new SSD without reinstalling?

    System cloning is the fastest migration method, but there are pitfalls. For example, if you clone Windows 10 with HDD to SSD smaller volume, you will have to manually clean the disk from unnecessary files. And when transferring to NVMe may be required controller driver update for correct operation.

    🔹 Cloning methods:

    • 🖥️ Through the program:
      • Macrium Reflect Free - supports NVMe and allows you to resize partitions.
      • Clonezilla - free, but requires knowledge of commands (dd).
      • Samsung Data Migration - only for SSD Samsung.
    • 🔧 Via Windows Backup:
      • Create a system image in Control Panel → Backup and Restore.
      • Restore it to the new SSD after connecting.

    ⚠️ Attention: If you are cloning a system with MBR-disk on GPT (or vice versa), the laptop may not boot. Use DiskGenius to convert markup to cloning.

    💡

    Before cloning, disable hibernation (powercfg /h off on the command line) and empty the folder C:\Windows\Temp - this will reduce the amount of transferred data by 10–20 GB.

    Optimizing SSD after installation: 7 steps for maximum speed

    Even the fastest PCIe 5.0 The SSD will slow down if the system is not configured correctly. For example, disabled TRIM function will lead to a drop in recording speed by 30% after just six months, and incorrect energy saving settings may shorten the life of the drive.

    📋 Optimization checklist:

    Enable TRIM (fsutil behavior set disabledeletenotify 0)

    Disable file indexing on SSD

    Disable defragmentation for SSD

    Set the power plan to "High Performance"

    Transfer swap and hibernation files to HDD (if you have one)

    Update NVMe controller driver

    Check the health of the SSD once every 3 months (via CrystalDiskInfo)-->

    🔧 Additional settings for advanced users:

    • 🛠️ For gamers: Disable Game DVR And Game Bar in Windows settings - they constantly write logs to disk.
    • 🎬 For editors: Transfer cache Adobe Premiere or DaVinci Resolve to a separate SSD partition.
    • 🔒 For safety: Turn on BitLocker — SSDs are encrypted faster than HDDs (no performance loss).

    ⚠️ Attention: Do not fill the SSD more than 80% - this will critically reduce the write speed. For QLC drives (For example, Crucial P3) the threshold is even lower - 70%. Use an external HDD or cloud for archives.

    Common mistakes when choosing and installing an SSD (and how to avoid them)

    The experience of service centers shows that 60% of problems with SSDs are related to incorrect selection of model or violation of the installation procedure. Here are the most common mistakes:

    1. Buying an SSD without taking into account TBW.

      For example, Kingston A400 has TBW total 80 at 480 GB, whereas Samsung 870 EVO — 360. For daily use, the first one will last less than a year.

    2. Ignoring temperature conditions.

      SSD without a heatsink (for example, WD Blue SN570) in a thin laptop can overheat up to 80°C, which leads to throttling (speed drop by 50%).

    3. Incorrect cloning from HDD to SSD.

      If you don't align the sections to a boundary 4K, read/write speed will drop by 10–15%. Use MiniTool Partition Wizard for alignment.

    4. Installing an SSD in the Wi-Fi slot.

      Some laptops (eg. Lenovo IdeaPad 330) there is an additional M.2 slot, but it is only intended for Wi-Fi/Bluetooth module. Connecting an SSD there will lead to its uncertainty.

    💡

    Before purchasing an SSD, check its compatibility with your laptop through the manufacturer's official configurator (for example, Crucial Advisor or Kingston SSD Finder).

    FAQ: Answers to frequently asked questions about SSDs for laptops

    🔹 Is it possible to put two SSDs in a laptop?

    Yes, if the laptop has:

    • Two slots M.2 (For example, ASUS ROG Strix G15).
    • One slot M.2 and compartment for 2.5" SATA (For example, Lenovo ThinkPad T480).

    In the first case, both SSDs will operate at full speed. In the second - SATA SSD will become a “bottleneck” (maximum 550 MB/s).

    🔹 Which SSD is better for a gaming laptop?

    Priority characteristics:

    • PCIe 4.0/5.0 (For example, Samsung 990 Pro).
    • TBW ≥ 600 (for durability with frequent installations of games).
    • Availability of DRAM cache (important for open worlds, e.g. GTA V or Cyberpunk 2077).

    Avoid QLC drives (For example, Intel 670p) - they are slower when writing small files (textures, shaders).

    🔹 Do I need to format the new SSD before installation?

    No if you:

    • Install clean Windows.
    • Clone the system from another drive.

    Yes, if you:

    • Do you want to use the SSD as an additional drive (for example, for games). Format to NTFS with cluster size 4096 bytes.
    🔹 Why is the SSD in a laptop slower than in tests?

    Possible reasons:

    • Throttling due to overheating (check temperature in HWiNFO).
    • The slot operates in the mode PCIe 3.0 x2 instead of x4 (relevant for budget laptops).
    • Background processes (such as indexing or Windows Defender).
    • The disk is more than 80% full.

    Solution: Update BIOS, check power saving settings and free up 20% of space.

    🔹 How to check the health of an SSD?

    Use programs:

    • CrystalDiskInfo - shows SMART status, temperature and amount of recorded data.
    • Samsung Magician (only for SSD Samsung) - tests performance and updates firmware.
    • HD Tune — checks the read/write speed of the entire disk (useful for identifying “sagging” cells).

    Critical parameters:

    • Reallocated Sectors Count - if the value is > 10, the disk will soon fail.
    • Wear Leveling Count — shows cell wear (the higher, the worse).