Choosing a hard drive for a laptop ASUS is a task that requires taking into account a dozen parameters: from the device model to the type of load. Modern SSD drives superior to traditional HDD speed by 5–10 times, but are not always justified for budgetary tasks. And if we are talking about gaming laptops of the series ROG or ultrabooks ZenBook, then not only volume and speed are important here, but also compatibility with the cooling system and form factor (M.2 2280, 2.5" SATA) and even protocol (NVMe vs SATA III).

In this article we will look at:

  • 🔍 How to determine, which disk is suitable for your model ASUS (including rare series like ProArt StudioBook).
  • ⚡ Top 5 SSD and HDD for different scenarios: from office work to 3D rendering.
  • 🛠️ Step by step replacement with photos and warnings about common errors (for example, why some ASUS TUF Can't see drives larger than 2 TB without updating BIOS).
  • ⚙️ System optimization after installing a new drive - from OS cloning to configuration TRIM.

Regardless of whether you are planning to upgrade your old ASUS X550 or select a disk for a new one ROG Zephyrus G14, here you will find current data for 2026 - taking into account the latest firmware updates and market trends.

1. How to determine the compatibility of a hard drive with an ASUS laptop

First step - identification of your laptop model and its technical limitations. U ASUS There are two key compatibility issues:

  • 🔌 Slot form factor: for example, ZenBook UX390 only supports M.2 2242 (shortened slot), and ROG Strix Scar 17 - two slots M.2 2280 with support PCIe 4.0.
  • 📏 Height limit: in thin ultrabooks (for example, VivoBook S14) may not fit HDD height 9.5 mm - only 7 mm.
  • 🔄 Protocol support: older models (before 2018) often do not work with NVMe, only with SATA M.2.

To avoid errors, follow these steps:

  1. Find the exact laptop model on the sticker under the case or in System Information (Win + R → msinfo32).
  2. Check the specifications on the official website ASUS in section Support → Specifications (look for items Storage or Expansion).
  3. Use utilities like HWiNFO or CrystalDiskInfo to analyze the current disk and free slots.
How to check the M.2 slot physically?

Unscrew the back cover of the laptop (usually it is secured with 8–10 screws Torx T5). Slot M.2 looks like a narrow connector with a key B or B+M. If there is an inscription nearby PCIe x4 - this is NVMe, if SATA - that's just SATA M.2.

Attention! Some laptops ASUS (For example, FX505 or GL503) have two M.2 slots, but the second one may be occupied by the module Wi-Fi or not support PCIe 4.0. Always check with documentation!

2. SSD vs HDD for ASUS: what to choose in 2026

Choice between SSD And HDD depends on the budget and tasks. Here are the key differences:

Parameter SSD (NVMe/SATA) HDD (2.5")
Read/write speed to 7000 MB/s (PCIe 4.0) to 160 MB/s
Service life 300–600 TBW (terabyte of recorded data) 3–5 years (depending on operating time)
Noise level 0 dB (no moving parts) 20–30 dB (clicking, vibration)
Price for 1 TB from 50$ (SATA SSD) to 120$ (NVMe) from 30$
Energy consumption 2–5 W 6–10 W

When to choose HDD:

  • 💰 Budget up to 50$ and needed 2–4 TB for storing files (photos, videos).
  • 🎮 The laptop is used for games with large libraries (for example, Call of Duty: Warzone takes 200+ GB).
  • 🔧 Replacing a disk in an old laptop (before 2015), where SSD will not give an increase due to restrictions SATA II.

When to choose an SSD:

  • ⚡ You need instant launch of the OS and programs (for example, Photoshop opens behind 1–2 seconds instead of 20+).
  • 💼 Working with large files: video editing, 3D modeling, programming.
  • 🔋 Low battery consumption is important (relevant for ZenBook or VivoBook).
📊 What type of drive do you prefer for your laptop?
  • SSD only
  • HDD for storage + SSD for system
  • HDD only (budget option)
  • I haven't decided yet

3. Top 5 hard drives for ASUS laptops in 2026

We analyzed the market and tests from Tom's Hardware, AnandTech, as well as user reviews ASUS on Reddit And 4PDA. The rating includes models with the best price/performance ratio for various tasks.

🥇 Best NVMe SSD for gaming laptops (ROG, TUF, Strix)

Samsung 990 Pro 2TB — leader in speed (7450 MB/s reading) and reliability (1200 TBW). Ideal for ASUS ROG Zephyrus G16 or Strix Scar 18 thanks to the support PCIe 4.0 and radiator included. Disadvantage: high price (~180$ for 2 TB).

🥈 Optimal SATA SSD for office laptops (VivoBook, X515)

Crucial MX500 1TB - the best choice for a budget upgrade. Speed 560 MB/s, resource 360 TBW, and the price is about 60$. Suitable for ASUS X543 or E410, where NVMe not supported.

🥉 Best HDD for data storage

Seagate FireCuda 2 TB (2.5", 7 mm) - hybrid drive with 8 GB cache on SSD. Speed is higher than normal HDD (140 MB/s), and the price is about 70$. Suitable for ASUS N580 or FX705 as a second disk.

🏆 Best budget NVMe for ultrabooks (ZenBook, ExpertBook)

WD Black SN770 1TB - alternative Samsung at almost the same speed (5150 MB/s), but cheaper (~90$). Important: Requires BIOS update on some models ASUS (For example, UX425).

🔧 Universal M.2 SATA for old laptops

Kingston A400 480 GB - the cheapest way to speed up ASUS K550 or X555. Speed 500 MB/s, price - 35$. Minus - small resource (160 TBW).

💡

Before purchasing, please check if your laptop supports DRAM cache in SSD. For example, Crucial P5 Plus without DRAM, it loses up to 30% of speed on random I/O operations.

4. Step-by-step instructions for replacing the hard drive in an ASUS laptop

Replacing a disk is a procedure that requires care and preparation. Below is a universal instruction suitable for most models ASUS (exceptions are noted separately).

🔧 Required tools:

  • ✅ Screwdriver Torx T5 or Phillips #0 (depending on the model).
  • ✅ Plastic spatula or pick for opening latches.
  • ✅ Antistatic bracelet (or touch the metal case of the system unit every 5 minutes).
  • ✅ Cloning kit (when transferring OS): USB-SATA adapter + program Macrium Reflect.

📝 Step by step process:

☑️ Preparing to replace the disk

Done: 0 / 5
  1. Open the back cover:

    On most laptops ASUS the cover is secured with 8–12 screws. On models ROG (For example, GL504) it may be necessary to remove the entire bottom panel. Be careful with latches - they often break!

    How to remove the cover on ASUS ZenBook?

    On ZenBook UX330 and similar models, the screws are hidden under rubber feet. Gently pry them open with a plastic card, then remove the 5 screws Torx T3. The cover is removed by moving upwards (not to the side!).

  2. Remove the old drive:

    If this HDD, disconnect SATA cable and carefully remove the disc from the slide. For M.2 SSD unscrew one screw (M2x3) and pull the drive at an angle 30°.

  3. Install a new drive:

    For M.2 Insert the drive into the slot at an angle, then secure it with a screw. Make sure the contacts are not bent! For 2.5" HDD/SSD use the original slide or adapter.

  4. Assemble your laptop:

    Check that all cables are connected (especially SATA And Wi-Fi). Tighten the screws crosswise to avoid distortion of the cover.

⚠️ Attention! On laptops ASUS TUF Gaming A15 (2020) And ROG Strix G15 when replacing M.2 SSD protection against “uncertified” disks may work. To avoid mistakes "No boot device", update BIOS to version 312 or newer.

🔄 Transferring the operating system

If you want to keep Windows and programs, use cloning:

  1. Connect the new drive via USB adapter.
  2. Run Macrium Reflect Free and select the option "Clone this disk".
  3. Select all partitions of the old disk and transfer them to the new one.
  4. After cloning, disconnect the old disk and boot from the new one.

1) Is the disc inserted correctly (contacts M.2 must be clean).

2) Is the mode enabled? AHCI in BIOS (Advanced → SATA Configuration).

3) Has the BIOS been updated to the latest version (especially relevant for ASUS with 11/12th generation Intel chipsets).-->

5. Optimizing an ASUS laptop after replacing the disk

Installing a new SSD - only half the battle. To unlock its potential, follow these steps:

⚡ Setting up Windows for SSD

  • 🔧 Disable defragmentation:

    Enter in search Disk defragmentation and optimization, select the new drive and click "Change settings" → uncheck automatic optimization.

  • 🗑️ Enable TRIM:

    Launch Command Prompt as administrator and enter: 

    fsutil behavior set disabledeletenotify 0

    Check status:

    fsutil behavior query disabledeletenotify

    Should return 0.

  • 🔄 Transfer swap files and temporary files:

    If you have two disks (for example, SSD + HDD), move pagefile.sys and folder Temp on HDD through Control Panel → System → Advanced system settings.

🎮 Optimization for gaming laptops (ROG, TUF)

For maximum gaming performance:

  • 🔥 Install ASUS Armoury Crate and select a profile "Turbo" - this will speed up NVMe by 5–10%.
  • 🖥️ Enable in BIOS Above 4G Decoding And Resizable BAR (for video cards NVIDIA RTX 30/40 series).
  • 📊 Disable Windows Superfetch (service SysMain), since it creates extra load on the disk.

⚠️ Attention! On laptops ASUS ROG with two M.2 SSD (For example, Zephyrus Duo 16) when using RAID 0 Disk life may decrease. If you do not need maximum speed, it is better to use disks separately.

🔋 Extend SSD life

To your SSD lasted longer:

  • 📉 Limit writing temporary files: move browser cache and Steam on HDD.
  • 🛡️ Do not fill the disk more than 75% - this reduces speed and increases wear.
  • 🔄 Check your disk health regularly via CrystalDiskInfo (parameter "Total Host Writes" should not exceed 80% from TBW).

6. Common problems and their solutions

Even after installing the new drive correctly, problems may occur. Let's look at typical cases and ways to eliminate them.

🚨 The disk is not detected in the BIOS

Possible causes and solutions:

Problem Solution
Incompatible protocol (NVMe in slot SATA) Check the laptop specifications. For example, ASUS X556 only supports SATA M.2.
Outdated BIOS version Update BIOS from the official website ASUS (instructions: Support → Drivers → BIOS & Firmware).
Poor contact Remove and reinstall the disk, check the integrity of the contacts.
Controller disabled SATA/AHCI in BIOS Go to BIOS (F2 or Del at boot) and turn it on SATA Mode: AHCI.

🐢 Slow operation of SSD after installation

If the speed is lower than stated:

  • 🔍 Check that the drive is in PCIe 4.0 x4 (via HWiNFO). On some laptops (eg ASUS G531) slot M.2 can work in mode x2, which reduces the speed by half.
  • 📁 Disable file indexing: Disk properties → General → Allow content indexing → Uncheck.
  • 🔧 Update the storage controller driver via Device Manager (section "IDE ATA/ATAPI controllers").

🔄 Laptop does not boot after cloning

A common problem when moving Windows to a new drive:

  • 🔑 Check the boot order in BIOS: the new disk should be in first place.
  • 🖥️ If an error appears 0xc000000e, restore the bootloader via Windows installation flash drive (commands: 
    bootrec /fixmbr

    bootrec /fixboot
    

    bootrec /scanos
    

    bootrec /rebuildbcd

  • 📋 Make sure that the section EFI (100–500 MB) is also cloned to the new disk.

⚠️ Attention! On laptops ASUS with AMD Ryzen 4000/5000 processors (For example, Zephyrus G14) when cloning from HDD on SSD Windows license may expire. Before the procedure, link the license to your Microsoft account!

7. FAQ: answers to frequently asked questions

❓ Is it possible to put two SSDs in an ASUS laptop?

Yes, but it depends on the model. For example:

  • ROG Strix/Scar: 2 slots M.2 (both PCIe 4.0).
  • ZenBook UX425: 1 slot M.2 + possibility to replace Wi-Fi on the second SSD (adapter required).
  • VivoBook S15: 1 slot M.2 + 1 2.5" SATA.

Check your model's specifications on the website ASUS.

❓ Which SSD is better for ASUS ROG Zephyrus G15?

We recommend:

  • For games: Samsung 980 Pro 2TB (PCIe 4.0, 7000 MB/s).
  • For the budget: Crucial P5 Plus 1TB (6600 MB/s, 20% cheaper).

Both options support DirectStorage and optimized for NVIDIA RTX 30/40 series.

❓ Do you need cooling for an M.2 SSD in a laptop?

Yes, if:

  • Yours SSD refers to high-performance models (Samsung 990 Pro, WD Black SN850X).
  • The laptop is used for gaming or rendering (disk temperature exceeds 70°C).
  • The laptop model has poor ventilation (for example, ASUS TUF A15 without additional air ducts).

Solution: use SSD with heatsink (For example, Samsung 990 Pro with heatspreader) or thermal pads.

❓ Is it possible to install an SSD larger than 2 TB in ASUS?

Yes, but there are nuances:

  • Laptops on Intel 10th generation and later (For example, ASUS Zephyrus G14 2022) support drives up to 8 TB.
  • Older models (pre-2019) may not see disks > 2 TB without updating BIOS.
  • Some ASUS TUF have limitations at the controller level - check compatibility before purchasing.

For disks 4 TB+ we recommend Samsung 980 Pro or Sabrent Rocket 4 Plus.

❓ How to transfer Windows from HDD to SSD without data loss?

Step by step instructions:

  1. Download Macrium Reflect Free or Clonezilla.
  2. Connect SSD through USB adapter.
  3. In the program, select "Clone this disk" and specify the target drive.
  4. After cloning, disable HDD and boot from SSD.
  5. If Windows does not start, repair the bootloader (see section 6).

Important! If on HDD there was an encrypted storage (BitLocker), decrypt it first.