# HDD/SSD enclosure QNAP TL-D400S

**URL:** https://aio.lv/en/product--qnap-tl-d400s--3467128
**Data updated:** 2025-12-29 10:55 (EET)
**Category:** NAS Devices & Storage
**Manufacturer:** QNAP
**Manufacturer code:** TL-D400S
**EAN:** 4713213515952
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 506.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 418.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qnap-tl-d400s--3467128

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The QNAP TL-D400S is a versatile HDD/SSD enclosure supporting up to 4 drives of 2.5/3.5" sizes. It features Serial ATA II and III interfaces with a data transfer rate of 6 Gbit/s. The enclosure supports hot-swapping, allowing for easy drive replacement without downtime. Its sleek black and grey design makes it a stylish addition to any setup.

## Long description

The QNAP TL-D400S is a 4-bay HDD/SSD enclosure designed to expand and back up storage for QNAP NAS systems, Windows and Ubuntu computers and servers. It supports 3.5-inch SATA drives with SATA 6Gb/s lanes and connects via a supplied QXP PCIe card using SFF-8088 (or SFF-8644) high-speed cables. The enclosure supports hot-swapping and provides reliable read/write performance for storage and backup tasks.
Advantages
The TL-D400S uses a 1:1 high-speed channel design where each SATA lane connects directly to a single drive, improving transfer performance compared with shared-channel solutions. It supports multi-lane SATA 6Gb/s transfers, includes a QXP PCIe card for flexible connectivity, and can be monitored and managed from QTS/QTS hero or with QNAP JBOD Manager on Windows and Ubuntu systems. The enclosure supports software-controlled RAID configuration and records device events and notifications for health monitoring.
Suitable for
Expanding QNAP NAS storage capacity
Using as external/removable storage for NAS systems
Adding external storage to Windows and Ubuntu computers
Connecting third-party hardware RAID cards for advanced RAID protection
Key specifications
Model: TL-D400S
Drive bays: 4 × 3.5-inch SATA (supports SATA 6Gb/s)
Interface: SFF-8088 (or SFF-8644) via QXP PCIe card
Supported OS for management: QTS / QTS hero, Windows, Ubuntu
Hot-swappable drives: Yes
Product colours: Grey, Black
Weight: 3.43 kg
EAN: 4713213515952
How to use
Install the included QXP PCIe card into your QNAP NAS or a Windows/Ubuntu PC and connect the TL-D400S enclosure using an SFF-8088 (or SFF-8644) cable. Use Storage & Snapshots Manager on QTS/QTS hero to configure and manage storage pools, RAID and disk health when connected to a QNAP NAS; on Windows or Ubuntu use the QNAP JBOD Manager utility to monitor enclosure status, fan speed and firmware updates. For basic external use with Windows/Ubuntu, insert drives, set the desired RAID or single-disk mode, and format as needed (for example, exFAT for cross-platform file sharing).
Usage recommendations
For best performance and reliability, use SATA 6Gb/s drives, keep firmware and QNAP JBOD Manager up to date, and configure RAID or regular backups according to your data protection needs. When using third-party hardware RAID cards, follow the card manufacturer’s instructions for compatibility and setup.

## Specifications

| Feature | Value |
|---|---|
| AC adapter input voltage | 100 - 240 |
| AC adapter frequency | 50/60 |
| Manual | Yes |
| Hot-swap | Yes |
| Power source type | AC |
| USB connectivity | No |
| Screws included | Yes |
| Product type | HDD/SSD enclosure |
| Number of keys included | 1 pc(s) |

### Storage

| Feature | Value |
|---|---|
| Storage drive size | 2.5/3.5 |
| Number of storage drives supported | 4 |
| Supported storage drive interfaces | Serial ATA III, Serial ATA II |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 95 |
| Storage temperature (T-T) | -20 - 70 |
| Operating temperature (T-T) | 0 - 40 |

### Design

| Feature | Value |
|---|---|
| LED indicators | Fan fail, HDD, Link |
| Product colour | Grey, Black |
| Number of fans | 1 fan(s) |
| Fan diameter | 120 mm |

### Performance

| Feature | Value |
|---|---|
| Noise level | 20.1 dB |
| On/off switch | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.43 kg |
| Package weight | 5240 g |
| Height | 168.5 mm |
| Width | 160.2 mm |
| Depth | 219 mm |
| Package depth | 250 mm |
| Package height | 317 mm |
| Package width | 303 mm |

### Other features

| Feature | Value |
|---|---|
| Data transfer rate | 6 Gbit/s |
| Host interface | 1 x SFF-8088 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC, MiniSAS |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733080 |

## FAQ

### How much does the HDD/SSD enclosure QNAP TL-D400S cost, and is it available for purchase?

The price is 506.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can HDD/SSD enclosure QNAP TL-D400S be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All QNAP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized QNAP service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of storage drives supported, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for HDD/SSD enclosure QNAP TL-D400S?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

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