Seagate Exos 22TB 7200 RPM vs Seagate Exos 24TB Renewed SATA (2026): Key Differences
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This comparison looks at the seagate exos 22tb sata HDD vs exos st24000nm001c 24tb 7200rpm. Both drives share a 3.5-inch form factor and 7200 RPM spindle speed. They are enterprise-grade units designed for demanding data center workloads. The main difference lies in storage capacity and cache size. You get 22TB or 24TB of space. One unit lists a 512MB cache and CMR technology. The other does not list these specific details in the provided data.
Key differences
| Aspect | Seagate Exos 22TB 7200 RPM SATA HDD | Seagate Exos 24TB Renewed SATA HDD |
|---|---|---|
| Storage Capacity | 22TB | 24TB |
| Cache Size | not listed | 512MB |
| Recording Technology | not listed | CMR |
| Weight | 1.85 pounds | 1.5 pounds |
Which one should you choose?
Choose Seagate Exos 22TB 7200 RPM SATA HDD if
- You need a drive with a slightly lower weight of 1.85 pounds.
- You prefer the slightly smaller 22TB capacity for your specific rack space constraints.
Choose Seagate Exos 24TB Renewed SATA HDD if
- You require the maximum 24TB storage capacity for large archives.
- You want a drive with a listed 512MB cache and CMR recording technology for consistent performance.
Verdict: Choose the 22TB model if you prioritize a lighter drive weight and have lower capacity needs. The 24TB model is better if you need more storage space and confirmed CMR technology with a 512MB cache. Both serve enterprise environments well.
22TB vs 24TB Exos Comparison
storage capacity
The Seagate Exos 24TB Renewed SATA HDD offers 24TB of storage, while the Seagate Exos 22TB 7200 RPM SATA HDD provides 22TB. Both drives utilize a 3.5-inch form factor suitable for enterprise enclosures. The 2TB difference matters for large archives. You get more space with the 24TB model for backups and media. The 22TB drive is still massive for cloud data centers. Choose based on your total volume needs.
cache size
The Seagate Exos 24TB Renewed SATA HDD includes a 512MB cache. The data for the Seagate Exos 22TB 7200 RPM SATA HDD does not list a cache size. A larger cache can help with responsive data access. It supports sustained transfer rates for large files. You may see better performance with the 24TB model if cache is critical. The 22TB drive specs are silent on this detail. Check your workload requirements carefully before deciding.
recording technology
The Seagate Exos 24TB Renewed SATA HDD uses Conventional Magnetic Recording (CMR). The data for the Seagate Exos 22TB 7200 RPM SATA HDD does not specify the recording technology. CMR supports consistent performance for large file transfers. It is reliable for repeated write tasks in enterprise settings. If you need known CMR performance, the 24TB drive is the clear choice. The 22TB drive lacks this specific spec in the provided data.
rotational speed
Both drives operate at 7200 RPM. The Seagate Exos 22TB 7200 RPM SATA HDD and the Seagate Exos 24TB Renewed SATA HDD share this high speed. This ensures fast data access for demanding workloads. You get similar latency and throughput characteristics from the spindle. Neither drive has an advantage here. Both are suitable for cloud data centers and massive scale-out applications where speed is key.
interface
Both drives feature a SATA 6Gb/s hardware interface. The Seagate Exos 22TB 7200 RPM SATA HDD and the Seagate Exos 24TB Renewed SATA HDD use the same connection standard. This ensures compatibility with most enterprise systems and enclosures. You can use either drive in standard 3.5-inch bays. The interface speed is identical for both models. There is no difference in connectivity or bandwidth potential from the port itself.
power efficiency
The Seagate Exos 22TB 7200 RPM SATA HDD highlights PowerBalance technology. It optimizes watts per terabyte for power efficiency. The Seagate Exos 24TB Renewed SATA HDD mentions PowerChoice and PowerBalance technologies. Both manage power consumption effectively. The 24TB drive stores more data per watt potentially. However, the 22TB drive explicitly focuses on W/TB optimization. Both are designed for energy-efficient data centers. The edge is slight for the 24TB due to higher density.
Which Seagate Exos Drive Fits You
Maximum capacity seekers
You need the highest possible storage density in a standard 3.5-inch chassis. The 24TB model provides 2TB more space than the 22TB version. This extra capacity helps you store more archives and backups without adding more drives to your enclosure, simplifying your storage layout.
Performance-focused admins
You value faster data access for large file transfers. The 24TB drive includes 512MB of cache memory, which helps buffer data during sustained writes. It also supports CMR recording for consistent performance. The 512MB cache reduces latency compared to drives with smaller buffers, improving responsiveness.
Budget-conscious upgraders
You want reliable enterprise performance without paying for the latest capacity tier. The 22TB drive offers the same 7200 RPM speed and helium-sealed design. It delivers the core Exos reliability features you need for data centers. It is a practical choice if you do not need the extra 2TB.
The products compared
Seagate Exos 22TB 7200 RPM SATA HDD
Best for: Enterprise NAS requiring 7200 RPM speed
- Storage Capacity
- 22TB
- Form Factor
- 3.5-inch
- Hardware Interface
- SATA 6Gb/s
- Rotational Speed
- 7200RPM
- Weight
- 1.85 pounds
View on Amazon: Seagate Exos 22TB 7200 RPM SATA HDD Affiliate link
This renewed Seagate Exos drive offers 22TB of storage in a 3.5-inch form factor. It spins at 7200 RPM and connects via SATA 6Gb/s. The helium-sealed design helps reduce power consumption and weight. It is built for enterprise workloads and data centers. You should choose this if you need high capacity and rotational speed for your server or NAS setup.
Pros
- 22TB storage capacity
- 7200 RPM rotational speed
- Helium-sealed design for efficiency
- SATA 6Gb/s interface
Cons
- Lower capacity than the 24TB competitor
- Heavier build at 1.85 pounds
- Renewed condition instead of new
Good fit if
- You need 22TB of storage
- You require 7200 RPM performance
- You are building an enterprise NAS
Skip if
- You need the maximum 24TB capacity
- You prefer new drives only
- You want a lighter drive
Verdict: Seagate Exos 22TB Enterprise HDD fits users who prioritize rotational speed and helium efficiency over the highest possible capacity.
Seagate Exos 24TB Renewed SATA HDD
Best for: high-capacity enterprise storage and archives
- Storage Capacity
- 24TB
- Form Factor
- 3.5-Inch
- Hardware Interface
- SATA 6Gb/s
- Rotational Speed
- 7200 RPM
- Cache Size
- 512MB
- Recording Technology
- CMR
View on Amazon: Seagate Exos 24TB Renewed SATA HDD Affiliate link
This renewed Seagate Exos drive offers 24TB of capacity in a 3.5-inch form factor. It spins at 7200 RPM with a 512MB cache and uses SATA 6Gb/s connectivity. The CMR recording technology ensures consistent performance for large file transfers. You get sustained transfer rates up to 190MB/s. This drive suits users needing high-capacity enterprise storage for archives or backups.
Pros
- 24TB storage capacity for extensive data collections
- 7200 RPM spindle speed for responsive data access
- 512MB cache supports sustained transfer rates up to 190MB/s
- CMR recording technology for consistent performance on repeated write tasks
Cons
- Renewed condition means it is not brand new
- Heavier and bulkier than smaller capacity drives
- Limited to SATA 6Gb/s interface speed
Good fit if
- You need maximum storage density in a standard 3.5-inch drive
- You require CMR technology for reliable large file transfers
- You are building an enterprise NAS or server
Skip if
- You need the absolute fastest interface speeds
- You require a brand new drive with full warranty
- You have limited space for a 3.5-inch form factor
Verdict: Seagate Exos 24TB 7200RPM Enterprise HDD provides high-capacity CMR storage for users prioritizing volume over new condition. It fits well in enterprise environments where 24TB density is essential.
Specifications side by side
| Spec | Seagate Exos 22TB 7200 RPM SATA HDD | Seagate Exos 24TB Renewed SATA HDD |
|---|---|---|
| Storage Capacity | 22TB | 24TB |
| Form Factor | 3.5-inch | 3.5-Inch |
| Hardware Interface | SATA 6Gb/s | SATA 6Gb/s |
| Rotational Speed | 7200RPM | 7200 RPM |
| Cache Size | not stated | 512MB |
| Recording Technology | not stated | CMR |
| Weight | 1.85 pounds | 1.5 pounds |
| Dimensions | not stated | 5.8 × 4 × 1 inches |
| Color | Silver | Silver |
| Model | ST22000NM000C | ST24000NM001C-CR |
| Size | not stated | 24TB |
Frequently asked questions
What is the model number for the 24TB Seagate Exos drive?
The model number is ST24000NM001C-CR. This identifier corresponds to the renewed 24TB unit listed as the second option. It helps you verify the exact hardware specification when searching for replacement parts or compatibility lists for your NAS enclosure.
Does the 24TB Seagate Exos drive include cache memory?
Yes, the 24TB Seagate Exos drive features a 512MB cache. This buffer helps manage data flow between the platters and your system interface. The 22TB model listing does not specify cache size, so you should assume the 24TB unit offers this specific capacity for performance management.
Are both drives compatible with standard SATA connections?
Yes, both drives use the SATA hardware interface. This ensures they connect to standard motherboard ports or RAID controllers used in enterprise NAS systems. You do not need special adapters for basic connectivity, as both the 22TB and 24TB models adhere to this universal standard.
What is the physical weight of the 24TB Seagate Exos drive?
The 24TB Seagate Exos drive weighs 1.5 pounds. This is lighter than the 22TB model, which weighs 1.85 pounds. The weight difference is minor but relevant if you are calculating total rack load or shipping costs for multiple units in a large storage array.
Is the 22TB Seagate Exos drive suitable for enterprise NAS use?
Yes, the 22TB drive is designed for enterprise NAS requiring 7200 RPM speed. It prioritizes rotational speed and helium efficiency. This makes it a strong choice for users who need fast data access times in demanding data center workloads rather than just maximum raw storage volume.
What are the external dimensions of the 24TB Seagate Exos drive?
The 24TB drive measures 5.8 inches in length, 4 inches in width, and 1 inch in height. These standard 3.5-inch form factor dimensions ensure it fits into typical enterprise drive bays. You can rely on these measurements for rack space planning and enclosure compatibility checks.