HGST Ultrastar He10 10TB Enterprise vs HGST Ultrastar He8 8TB 7200: Spec Comparison
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This comparison of the hgst ultrastar he10 10tb sata vs huh728080ale604 ultrastar he8 highlights two enterprise-grade drives from the same brand. Both units use helium-sealed technology to reduce vibration and improve longevity. They share the same 3.5-inch form factor and 7200 RPM rotational speed. The main difference lies in storage capacity and cache size. You get 10TB with 256MB cache on the He10, or 8TB with 128MB cache on the He8. Both connect via SATA 6Gb/s.
Key differences
| Aspect | HGST Ultrastar He10 10TB Enterprise Hard Drive | HGST Ultrastar He8 8TB 7200 RPM Hard Drive |
|---|---|---|
| Storage Capacity | 10TB | 8TB |
| Cache Size | 256MB | 128MB |
| Rotational Speed | 7200 RPM | 7200 RPM |
| Form Factor | 3.5-Inch | 3.5-inch |
| Hardware Interface | SATA 6Gb/s | SATA 6.0Gb/s |
Which one should you choose?
Choose HGST Ultrastar He10 10TB Enterprise Hard Drive if
- You need maximum storage density in a single drive slot.
- You prefer a larger cache buffer for handling more frequent data requests.
- You want the helium-sealed design with the highest capacity option.
Choose HGST Ultrastar He8 8TB 7200 RPM Hard Drive if
- You require a slightly smaller footprint for specific server configurations.
- You are working with a budget that favors the lower capacity tier.
- You need a standard enterprise drive with proven helium platform reliability.
Verdict: The He10 offers more capacity and cache for users needing higher density. The He8 remains a solid choice for standard enterprise workloads where 8TB is sufficient. Both drives provide reliable helium-sealed performance for 24/7 operation.
He10 vs He8 Spec Breakdown
storage capacity
The HGST Ultrastar He10 offers 10TB of storage, while the HGST Ultrastar He8 provides 8TB. This difference matters if you need to store large datasets without expanding your chassis. The He10 gives you 2TB more space in the same 3.5-inch footprint. You can fit more data per drive, which reduces the total number of drives needed in your NAS. This may lower power consumption and heat generation in your system. If your workload involves heavy archival or media libraries, the extra capacity on the He10 is a practical advantage. The He8 is sufficient for smaller setups or where space is not the primary constraint.
cache size
Cache size impacts how quickly the drive can handle random read and write operations. The HGST Ultrastar He10 includes a 256MB cache. The HGST Ultrastar He8 has a 128MB cache. The larger cache on the He10 allows it to buffer more data before writing to the platters. This can improve performance in multi-user environments or when handling many small files. The He8’s smaller cache is standard for its class but may result in slightly slower response times under heavy load. If your NAS handles frequent small transactions, the He10’s double cache size offers a clear performance edge. For sequential streaming, the difference is less noticeable.
rotational speed
Both drives spin at 7200 RPM. This rotational speed is typical for enterprise drives that prioritize performance over silence. The He10 and He8 share this spec, meaning their theoretical transfer rates for sequential data are similar. You will not see a speed advantage from one over the other based on spin speed alone. Both drives are designed for 24/7 operation in server environments. The consistent RPM ensures predictable latency for RAID rebuilds and heavy I/O tasks. Since this spec is identical, neither drive holds an edge here. Your choice should depend on capacity or cache needs rather than rotational speed.
recording technology
Both drives use helium-sealed technology, known as HelioSeal. This feature reduces internal friction and vibration compared to air-filled drives. The He10 and He8 both benefit from lower operating temperatures and longer lifespans. Helium fills the drive casing, allowing platters to spin more efficiently. This technology is critical for high-density NAS enclosures where heat buildup can degrade performance. Since both models use this same sealing method, they share similar reliability profiles. You can expect comparable vibration levels in a multi-bay system. The technology does not favor one model over the other, as it is a core design element of the Ultrastar He series.
hardware interface
Both drives use the SATA 6Gb/s interface. This standard connection is compatible with most NAS systems, servers, and desktops. You will not face compatibility issues with either drive in standard enterprise or prosumer hardware. The interface speed limits data transfer rates to 600MB/s per drive. This is sufficient for most RAID configurations where multiple drives aggregate bandwidth. Neither drive offers SAS or USB connectivity, so you must use SATA ports. The He10 and He8 are interchangeable in terms of connectivity. Your motherboard or NAS controller must support SATA 6Gb/s for optimal performance, which is standard in modern systems.
Which HGST Ultrastar Drive Should You Buy
You need maximum storage in one bay
The HGST Ultrastar He10 provides 10TB of capacity, which is 2TB more than the He8. This extra space allows you to store larger datasets without adding more drives to your chassis. Both drives use helium sealing for stability, but the He10 gives you more room for your data in the same 3.5-inch slot.
You prioritize faster cache performance
The HGST Ultrastar He10 features a 256MB cache, which is double the 128MB found in the He8. A larger cache can help handle more complex read and write operations more efficiently. If your workload involves frequent small file transfers or heavy multitasking, the additional memory buffer on the He10 offers a tangible performance advantage.
You want a lower-capacity reliable option
The HGST Ultrastar He8 offers 8TB of storage with 128MB of cache. It maintains the same 7200 RPM speed and SATA 6Gb/s interface as the larger model. This drive is suitable if you do not need the full 10TB capacity and prefer a standard enterprise drive that fits your existing storage requirements without excess space.
The products compared
HGST Ultrastar He10 10TB Enterprise Hard Drive
Best for: High-capacity server storage needs
- Storage Capacity
- 10TB
- Form Factor
- 3.5-Inch
- Hardware Interface
- SATA 6Gb/s
- Rotational Speed
- 7200 RPM
- Cache Size
- 256MB
View on Amazon: HGST Ultrastar He10 10TB Enterprise Hard Drive Affiliate link
The HGST Ultrastar He10 offers 10TB of storage in a 3.5-inch form factor. It runs at 7200 RPM with a 256MB cache and uses a SATA 6Gb/s interface. The helium-sealed design reduces vibration and heat. This drive suits users needing high capacity and consistent performance for enterprise workloads or heavy home server use.
Pros
- 10TB storage capacity
- 7200 RPM rotational speed
- 256MB cache size
- Helium-sealed for lower vibration
Cons
- SATA interface limits transfer speeds
- No encryption hardware listed
- Renewed condition status
Good fit if
- You need high-capacity storage for a server
- You want stable performance for heavy workloads
- You prefer helium-sealed drives for reliability
Skip if
- You require NVMe or SAS speeds
- You need hardware encryption
- You want a brand-new drive
Verdict: HGST Ultrastar He10 10TB Enterprise HDD delivers reliable enterprise-grade capacity for users prioritizing storage density and consistent rotational speeds over maximum interface bandwidth.
HGST Ultrastar He8 8TB 7200 RPM Hard Drive
Best for: Helium-cooled NAS systems needing 7200 RPM
- Storage Capacity
- 8TB
- Form Factor
- 3.5-inch
- Hardware Interface
- SATA 6.0Gb/s
- Rotational Speed
- 7200RPM
- Cache Size
- 128MB
- Dimensions
- 5.6 × 4 × 1 inches
View on Amazon: HGST Ultrastar He8 8TB 7200 RPM Hard Drive Affiliate link
The HGST Ultrastar He8 is an 8TB helium-filled drive designed for 24/7 enterprise and NAS use. It spins at 7200 RPM and connects via SATA 6.0Gb/s. The 128MB cache supports data handling. This model offers a standard 3.5-inch form factor. It suits users who need reliable daily operation in server or RAID systems.
Pros
- Helium-filled platform reduces internal friction
- 7200 RPM rotational speed for performance
- SATA 6.0Gb/s interface compatibility
- Designed for 24/7 enterprise reliability
Cons
- Smaller 8TB capacity compared to 10TB alternatives
- Lower 128MB cache size
- Refurbished condition with prior datacenter use
Good fit if
- You need a helium-cooled drive for heat reduction
- You require 7200 RPM speed for faster access
- You are building a standard 3.5-inch NAS
Skip if
- You need the highest possible storage capacity
- You prefer brand-new drives with no prior use
- You require a larger 256MB cache buffer
Verdict: HGST Ultrastar He8 8TB NAS Drive is a solid choice for users prioritizing helium cooling and high RPM speeds in a standard NAS build. It fits those who value enterprise-grade reliability over maximum capacity.
Specifications side by side
| Spec | HGST Ultrastar He10 10TB Enterprise Hard Drive | HGST Ultrastar He8 8TB 7200 RPM Hard Drive |
|---|---|---|
| Storage Capacity | 10TB | 8TB |
| Form Factor | 3.5-Inch | 3.5-inch |
| Hardware Interface | SATA 6Gb/s | SATA 6.0Gb/s |
| Rotational Speed | 7200 RPM | 7200RPM |
| Cache Size | 256MB | 128MB |
| Size | 10TB - SE | 8TB |
| Dimensions | not stated | 5.6 × 4 × 1 inches |
| Color | Silver | Silver |
| Model | 0F27454-cr | Ultrastar He8 |
Frequently asked questions
Does the HGST Ultrastar He10 have a larger cache than the He8?
Yes. The He10 includes a 256MB cache, while the He8 provides 128MB. A larger cache can help buffer data for smoother performance during heavy write operations. You get double the cache memory with the 10TB model compared to the 8TB version.
Are both drives compatible with standard SATA ports?
Yes. Both the He10 and He8 use the SATA hardware interface. You can connect either drive to any motherboard or NAS enclosure that supports standard SATA connections. This ensures broad compatibility with existing enterprise and NAS hardware setups.
Do these drives operate at the same rotational speed?
Yes. Both the HGST Ultrastar He10 and He8 spin at 7200 RPM. This consistent rotational speed means you get similar latency characteristics from either drive. You do not need to worry about speed differences when choosing between the 10TB and 8TB options.
Is the form factor the same for both drives?
Yes. Both drives feature a 3.5-inch form factor. This standard size fits into most desktop computers, NAS enclosures, and server racks designed for 3.5-inch bays. You can swap them in the same physical slots without needing different mounting hardware.
Which drive is better for high-capacity server storage?
The HGST Ultrastar He10 is the better choice. It delivers 10TB of capacity, which is ideal for users prioritizing storage density. The He8 offers 8TB, which is sufficient but less dense. If you need maximum space per bay, the He10 is the right fit.
Can I use the He8 in a helium-cooled NAS system?
Yes. The He8 is designed for helium-cooled NAS systems. It provides 7200 RPM speeds and enterprise-grade reliability. If your system relies on helium cooling for efficiency, this drive fits that requirement while offering 8TB of storage space.