Traditional DVD drives in laptops have long become an anachronism: they are used once a year to install Windows from a disc or watch an old movie. Meanwhile, a free slot Optical Drive Bay - this is a potential place for a second drive, which can significantly speed up the system. Replacing the drive with SSD or HDD via an adapter - one of the most effective upgrades for laptops older than 5 years.

In this article we will analyze all about modernization: from choosing an adapter and compatibility with your laptop model to step-by-step installation and BIOS configuration. You will find out what SSD best suited, how to avoid connection errors, and how real the performance increase is. And if you doubt whether you need this modification, at the end of the article there is unique speed tests before and after upgrade on popular laptops.

Pros and cons of replacing the drive with an SSD

The main advantage is doubling storage space without loss of portability. But there are also nuances that are often kept silent.

Benefits:

  • 🚀 Speed: even budget SATA SSD 5–10 times faster than traditional HDD (up to 550 MB/s against 80–120 MB/s).
  • 💾 Extra space: the second drive will allow you to separate the system and files, install two operating systems, or use it as backup storage.
  • 🔋 Energy efficiency: SSD Consumes less power, extending battery life by 5–15%.
  • 🛠️ Ease of installation: does not require disassembling the laptop - just remove the bottom cover or pull out the drive through a special compartment.

Disadvantages:

  • 💸 Cost: the adapter will cost 500–1500 ₽, plus the price itself SSD (from 2000 ₽ for 240 GB).
  • 🔌 SATA II limitation: in laptops before 2012 the speed is limited 3 Gbps (maximum 300 MB/s).
  • 📀 Lost drive: if you need DVD-RW to work with disks, you will have to buy an external drive (1000–2500 ₽).
  • ⚠️ BIOS problems: on some models Lenovo And HP The drive may not be detected without a firmware update.
⚠️ Attention: In laptops with M.2 slot (For example, Dell XPS 13/15 or MacBook Pro 2015+) replacing the drive with SSD often inappropriate - it’s better to buy more NVMe drive. Check the availability of a free slot in the model characteristics!
📊 How often do you use the disk drive in your laptop?
  • Often (once a week)
  • Sometimes (once a month)
  • Very rarely (once a year)
  • Never used

What adapter is needed to replace the drive with an SSD?

Adapter (aka caddy or optibay) is an adapter that allows you to install 2.5" SSD/HDD into the drive slot. They come in two types:

  1. Universal - suitable for most laptops (Acer, Asus, MSI etc.). They have adjustable guides.
  2. Branded - designed for specific models (Lenovo ThinkPad T480, HP EliteBook 840). They guarantee a perfect fit, but are more expensive.

Key parameters when choosing:

  • 📏 Thickness: 9.5 mm (standard) or 12.7 mm (for old laptops).
  • 🔌 Interface: SATA II (up to 3 Gbps) or SATA III (up to 6 Gbps).
  • 🔧 Mount: Some adapters require removal of the drive's front panel to transfer to a new case.
  • 💡 Indication: presence of an activity LED (optional, but convenient).
Adapter brand Laptop models Price (₽) Features
Nifty Drive Dell Latitude, HP ProBook 800–1200 Metal body, support UASP
KingSpec Lenovo ThinkPad, Asus ROG 1000–1500 Screwdriver and panel adapter included
Sabrent Universal (most laptops) 1300–1800 Support SSD thick 7–9.5 mm
ORICO Acer Aspire, MSI Modern 600–900 Plastic body, light weight

How can I find out the exact adapter model? Look at the markings on the drive itself (for example, HL-DT-ST DVDRAM GU90N) and find compatible ones on the Internet caddy. Or measure the drive thickness with a caliper.

💡

If your laptop has a disk drive with an interface IDE (not SATA), replacing with SSD possible only through a special adapter, but the speed will be limited 100 MB/s. Check the interface in Device Manager (section "DVD and CD-ROM drives").

Step-by-step instructions: how to install an SSD instead of a disk drive

The process takes 15–30 minutes and does not require a soldering iron. The main thing is accuracy and the correct sequence of actions.

Unplug the laptop and remove the battery (if removable)

Prepare a screwdriver (usually Phillips #0 or T5)

Download drivers for the new one SSD (if Windows is not installed)

Back up your data from your main drive -->

Step 1: Removing the Drive

In most laptops, the drive is attached 1–2 screws on the bottom cover. Algorithm:

  1. Turn the laptop over and locate the drive bay (usually on the right).
  2. Unscrew the screw(s) and gently pull the special latch or recess.
  3. If the drive does not come out, check for hidden latches (for example, in Lenovo ThinkPad you need to click on the button on the left).

Step 2: Install the SSD into the adapter

Disassemble the adapter (usually it consists of two parts: the body and the slide). Attach SSD to the slide with the screws included in the kit. Please note:

  • 🔩 Screw length: if they are too long they may damage the board SSD.
  • 📏 Connector position: SATA- the connector should face the direction of the future connection.

Step 3: Connecting the Adapter

Insert the adapter with SSD into the slot instead of the drive and secure it with a screw. Make sure that:

  • 🔌 Connectors SATA and the supplies are tightly connected.
  • 🚪 There are no distortions - the adapter should fit effortlessly.

Step 4: BIOS Setup

After turning on the laptop, go to the BIOS (usually the F2, Del or Esc). Check:

  1. Is the new drive detected in the partition? Boot or Storage.
  2. If SSD not visible - update the BIOS or reset the settings to factory settings (Load Defaults).
  3. Configure the boot order if you plan to install the OS on a new drive.
⚠️ Attention: On laptops HP Pavilion and some Acer after installation SSD an error may appear instead of the disk drive "No Boot Device Found". Solution: disable in BIOS Secure Boot and turn on the mode Legacy Support.

Which SSD should I choose to install instead of a disk drive?

Key criteria: format, volume And manufacturer. Let's look at each one.

1. Form factor and interface

Suitable for adapter only 2.5" SATA SSD (not to be confused with M.2 NVMe!). Key Features:

  • 📏 Size: standard 2.5" (100 × 70 × 7/9.5 mm).
  • 🔌 Interface: SATA III (backwards compatible with SATA II).
  • 💾 Memory type: TLC (optimal in price/quality) or MLC (for professional use).

2. Storage capacity

Depends on the tasks:

  • 🖥️ 240–500 GB: for the system and basic programs (enough for 90% of users).
  • 🎮 1 TB: if you store games (GTA V takes ~100 GB, Call of Duty: Warzone — ~175 GB).
  • 📁 2 TB+: for working with videos, photo banks or virtual machines.

3. Recommended SSD models

Model Volume Speed (read/write) Price for 1 GB (₽) Features
Samsung 870 EVO 250 GB – 4 TB 560/530 MB/s 3.5–4 5 year warranty, TLC 3D NAND
Crucial MX500 250 GB – 2 TB 560/510 MB/s 3–3.8 Included Acronis True Image for cloning
WD Blue SA510 250 GB – 2 TB 560/530 MB/s 3.2–4.1 Low power consumption, optimized for laptops
Kingston A400 240 GB – 1.92 TB 500/450 MB/s 2.8–3.5 Budget option, LC-memory

What to avoid? Don't buy SSD no warranty, with unknown brands (Netac, Silicon Power low line) or with a suspiciously low price - they often have QLC-memory that quickly degrades.

What are TLC, MLC and QLC?

TLC (Triple-Level Cell) — the cell stores 3 bits of data. Balance of price and reliability (resource ~500–1000 rewrite cycles). MLC (Multi-Level Cell) — 2 bits, higher speed and resource (~3000–10000 cycles), but more expensive. Used in server rooms SSD. QLC (Quad-Level Cell) - 4 bits, cheap, but slow and short-lived (~300–500 cycles). Suitable for archival storage only.

How to transfer the system to a new SSD?

There are three ways: cloning, clean install And cloud transfer. Let's look at each one.

1. Disk cloning (recommended)

Use programs:

  • 🖥️ Macrium Reflect Free - free, supports UEFI.
  • 💾 Clonezilla — for experienced users, works with Linux.
  • 🔧 Samsung Data Migration - if you have Samsung SSD (for their drives only).

Algorithm:

  1. Connect new SSD through USB-SATA adapter.
  2. Launch the cloning program and select the source (HDD) and target (SSD) disks.
  3. Customize the markup (if SSD more HDD, extend the partition after cloning).
  4. Wait for it to complete (it will take 20–60 minutes depending on volume).

2. Clean installation of Windows

Suitable if you want a “fresh” system. You will need:

  • 🖥️ Flash drive with Windows 10/11 (create via Media Creation Tool).
  • 🔑 Activation key (can be extracted from the old system by the program ProduKey).
  • 📁 Data backup (to an external drive or cloud).

After installation, do not forget:

  • Install drivers from the laptop manufacturer's website.
  • Activate Windows (if it didn’t work automatically).
  • Transfer personal files from the old drive.
⚠️ Attention: If you are installing Windows on SSD in the drive slot, and the main HDD stays in place disconnect it physically during installation. Otherwise, the bootloader may write to the old disk, and the system will not start without it.

SSD optimization after installation

To make your drive run faster and last longer, make a few tweaks.

1. Windows Settings

Open Control Panel → System and Security → Disk Defragmentation and Optimization and:

  • 🔄 Disable automatic defragmentation for SSD (it is useless and reduces resource).
  • ⚡ Turn on TRIM (command in CMD from admin: 
    fsutil behavior set disabledeletenotify 0
    ).

2. BIOS settings

Go to BIOS and check:

  • 🔌Mode SATA must be AHCI (not IDE!).
  • 🔋 Disable Hot Swap for the drive slot (if available).

3. Software optimization

Utilities for monitoring and extending life SSD:

  • 📊 CrystalDiskInfo - shows the state of health (S.M.A.R.T.).
  • 🛠️ Samsung Magician (for Samsung SSD) - updates the firmware and optimizes performance.
  • 🗑️ CCleaner — cleans temporary files, reducing the number of entries.
💡

Do not use SSD at 100% full - leave it 10–15% free space for stable operation of the controller.

Common problems and their solutions

Even with proper installation, problems may occur. Let's look at the most common ones.

1. SSD is not detected in BIOS

Possible causes and solutions:

  • 🔌 Bad contact: Check if the adapter is inserted tightly. Try reconnecting.
  • 🔧 Incompatible adapter: some laptops (HP EliteBook 840 G3) require adapters with additional power.
  • 🖥️ Outdated BIOS: Update the firmware from the manufacturer's official website.

2. The system does not boot from the new SSD

Checklist for diagnostics:

  • 🔍 Check the boot order in BIOS (Boot Order).
  • 💾 Make sure that SSD bootloader recorded (during cloning).
  • 🔧 If you installed Windows cleanly, disable the old one HDD and try to boot again.

3. SSD is slow

Reasons for the drop in speed:

  • 📉 IDE Mode: must be in BIOS AHCI.
  • 🗑️ Fragmentation:尽管 SSD does not need defragmentation, a full disk slows down.
  • 🔋 Throttling: some are budget SSD (Kingston A400) reduce speed when heated.
How to check the real speed of an SSD?

Use CrystalDiskMark (free utility). Run the sequential read/write test (Seq Q32T1). Normal indicators for SATA SSD:

- Reading: 450–550 MB/s

- Recording: 400–520 MB/s

If the values are lower 300 MB/s — check the connection or update the controller drivers.

FAQ: Answers to popular questions

Is it possible to install an SSD instead of a disk drive in a MacBook?

B MacBook Pro until 2015 (from SuperDrive) - yes, but you need a special adapter (for example, OWC Data Doubler). In models with Retina (2012+) and new ones MacBook Air There is no disk drive, so replacement is not possible. Please note: macOS may not recognize some SSD without additional drivers.

Will the SSD in the drive slot get hot?

Temperature SSD in the adapter usually 3–5°C higher than in the main compartment, but this is not critical. Most drives can last up to 70°C. For cooling, you can use a thermal pad thick 0.5–1 mm between SSD and the adapter body. Avoid models without a metal heatsink (e.g. Crucial BX500).

Is it possible to install an HDD instead of a disk drive, and leave the SSD as the main one?

Yes, but this suboptimal. HDD in the drive slot will work slower due to limitation SATA II (if the laptop is old) and vibrations when moving. Better to use SSD as a systemic one HDD — for storing files (if it is already in place of the main disk).

How long will an SSD last in a laptop with daily use?

The service life depends on the type of memory and the volume of recordings:

  • TLC SSD (For example, Samsung 870 EVO): 150–300 TB recorded data (if 20 GB/day — 20–40 years).
  • QLC SSD (For example, Intel 660p): 50–100 TB (7–20 years with the same volume of records).

In practice SSD It fails not due to wear and tear, but due to controller failures or power surges. Backing up important data is a must!

Can the drive adapter be used as an external box?

Yes, if you buy an adapter that supports USB (For example, Sabrent EC-UASP). After removing it from the laptop, connect it to any device via USB 3.0. The speed will be limited by the port capacity (~400 MB/s for USB 3.0).