2 Best NAS Hard Drives with HDMI, Compared

Quick picks

The best fit for you

• You need reliable surveillance and NAS storage Western Digital WD Purple 8TB Surveillance HDD Its 7200 RPM speed and 256MB cache suit speed and capacity needs.
• You require massive capacity for large NAS systems Western Digital WD Red Pro 18TB CMR NAS HDD The 18TB size and CMR technology handle heavy workloads effectively.
• You want high performance for demanding tasks Western Digital WD Red Pro 18TB CMR NAS HDD Its 7200 RPM rotational speed ensures fast data access.

Our 2 picks

1 Best overall

Western Digital WD Purple 8TB Surveillance HDD

Best for: Surveillance and NAS storage needs

Hardware Interface

SATA, HDMI (what this guide is about)

Storage Capacity

8TB

Form Factor

3.5"

Rotational Speed

7200 RPM Class

Cache Size

256MB

Dimensions

20 × 6 × 3 inches

View on Amazon: Western Digital WD Purple 8TB Surveillance HDD Affiliate link

This Western Digital drive offers 8TB of storage with a 7200 RPM rotational speed and 256MB cache. It features a SATA 6 Gb/s interface and lists HDMI as a hardware interface. The 3.5-inch form factor fits standard drive bays. You should consider this if you need high capacity and fast data transfer rates for surveillance or NAS setups.

Pros

• 8TB storage capacity
• 7200 RPM rotational speed
• 256MB cache size
• SATA 6 Gb/s interface

Cons

• Lower capacity than 18TB competitors
• Larger physical dimensions
• Heavier build weight

Good fit if

• You need high storage density
• You require fast rotational speeds
• You have standard 3.5-inch bays

Skip if

• You need maximum capacity
• You prefer compact 2.5-inch drives
• You want lighter hardware

Verdict: WD 8TB Purple 3.5" SATA HDD suits users prioritizing speed and capacity over size. It fits standard bays well but lacks the volume of larger drives.

2 Best budget

Western Digital WD Red Pro 18TB CMR NAS HDD

Best for: Large capacity NAS storage with high performance

Hardware Interface

SATA, HDMI (what this guide is about)

Storage Capacity

18TB

Form Factor

3.5"

Rotational Speed

7200 RPM

Cache Size

256 MB

Recording Technology

CMR

View on Amazon: Western Digital WD Red Pro 18TB CMR NAS HDD Affiliate link

The WD Red Pro 18TB drive offers high capacity for demanding NAS environments. It features a 7200 RPM rotational speed and 256 MB cache for robust performance. The drive uses CMR recording technology and includes NASware 3.0 for better compatibility. It is built for 24-bay systems and includes a multi-axis shock sensor. This drive suits users needing large storage with strong reliability features.

Pros

• 18TB storage capacity for extensive media libraries
• 7200 RPM rotational speed for faster data access
• 256 MB cache improves performance under heavy load
• CMR recording technology ensures stable write speeds
• NASware 3.0 technology optimizes integration with NAS systems

Cons

• Heavier at 1.58 pounds compared to lighter drives
• Higher rotational speed may generate more noise
• Larger physical footprint requires adequate space

Good fit if

• You need maximum storage capacity in a single drive
• You run a large 24-bay NAS enclosure
• You prioritize high rotational speed for performance

Skip if

• You require silent operation for a home theater
• You need a compact drive for small enclosures
• You are on a tight budget for storage

Verdict: The Western Digital WD Red Pro 18TB NAS Drive fits users who need massive capacity and high performance in large NAS systems. Its 7200 RPM speed and CMR technology make it a strong choice for heavy workloads.

Specifications side by side

Is HDMI Worth It on a NAS Drive?

HDMI allows you to connect the NAS directly to a display without a computer. You can view media or manage settings on a monitor. This feature adds convenience for standalone setups. It removes the need for an extra device to see output. Check if your drive includes this port in the specifications. It simplifies direct visual access to your storage system.

Worth it if

• You want to connect the NAS directly to a monitor for immediate visual access.
• You prefer managing storage or viewing media without using a separate computer.

Skip it if

• You only access your NAS over a network from a PC or phone.
• You do not need to view drive output on a physical display.

How We Selected These Drives

We identified drives with an HDMI hardware interface by scanning Amazon listings for that specific attribute in the title or feature list. We included only one size or variant per product family to keep the comparison clear. All details come directly from the published specifications on those listings. We do not handle or test the hardware ourselves. The data reflects what the manufacturers state in their product descriptions. This ensures you see exactly what the specifications claim for each drive. We focus strictly on the facts provided in the listing details to help you compare options accurately based on the available data.

How to Choose the Right NAS Drive

1. Check rotational speed

   Rotational speed determines how fast the drive spins, affecting data transfer rates. Most drives in this category operate at 7200 RPM, which offers a good balance of performance and noise. Higher speeds generally improve random read/write times, which is beneficial for multitasking in a NAS environment. Both the WD Purple and WD Red Pro listed here run at 7200 RPM. This consistency suggests that for most users, this speed is sufficient for handling multiple streams or heavy file access without significant bottlenecks. Consider if your workload requires faster spinning or if standard speeds suffice for your storage needs.

2. Verify recording technology

   The method used to store data on the platters impacts reliability under heavy loads. CMR, or Conventional Magnetic Recording, writes data in straight lines, making it more stable during intensive write operations. SMR, or Shingled Magnetic Recording, overlaps tracks to increase density but can slow down large file transfers. The WD Red Pro 18TB uses CMR technology, making it a stronger choice for heavy NAS workloads and frequent writes. If you plan to run multiple services or large databases, prioritize CMR drives. This specification is critical for ensuring long-term stability and consistent performance in a 24/7 operation.

3. Evaluate cache size

   Cache memory acts as a buffer between the drive and your system, smoothing out data transfers. A larger cache can handle more data bursts without slowing down. The drives featured here both include a 256MB cache, which supports faster data handling for typical NAS tasks. This amount of cache helps manage temporary data spikes, improving overall responsiveness. When comparing models, look for at least 256MB of cache for optimal performance. Smaller caches may lead to stuttering during large file transfers or simultaneous access from multiple users in your network setup.

4. Confirm hardware interface

   The hardware interface dictates how the drive connects to your NAS enclosure and other devices. SATA is the standard connection for internal drives, ensuring broad compatibility with most NAS systems. HDMI is a less common addition, allowing direct video output to a monitor. Both listed drives support SATA and HDMI interfaces. This dual capability means you can connect the drive via standard SATA cables for data while using HDMI for direct display output. Verify that your NAS enclosure supports these specific interfaces to avoid connectivity issues or the need for additional adapters.

5. Match form factor

   Form factor refers to the physical dimensions of the drive, which must fit your NAS bays. Most internal NAS drives use a 3.5-inch form factor, providing higher capacities and better performance than smaller 2.5-inch options. Both the WD Purple and WD Red Pro are 3.5-inch drives, making them suitable for standard desktop NAS enclosures. Ensure your NAS chassis has enough space for 3.5-inch bays. If you have a compact or portable NAS, you might need smaller drives, but for stationary setups, 3.5-inch drives offer the best value and capacity density for your storage requirements.

Frequently asked questions

See also

• best NAS hard drives under 200
• best NAS hard drives under 300