Seagate has launched the Exos X20 20TB enterprise HDD and IronWolf Pro 20TB CMR-based HDDs. Seagate’s Exos X20 is purpose-built for environments like scalable hyperscale applications/cloud data centers and distributed file systems like Hadoop and Ceph, while IronWolf Pro is a NAS-optimized AgileArray drive that combines RAID reliability and compatibility during the heavy 24×7 NAS workloads for SMBs. These new Seagate releases join the recently launched WD Gold and Ultrastar DC HC560 20TB HDDs as the industry’s largest capacity data center drives.
Seagate has launched the Exos X20 20TB enterprise HDD and IronWolf Pro 20TB CMR-based HDDs. Seagate’s Exos X20 is purpose-built for environments like scalable hyperscale applications/cloud data centers and distributed file systems like Hadoop and Ceph, while IronWolf Pro is a NAS-optimized AgileArray drive that combines RAID reliability and compatibility during the heavy 24×7 NAS workloads for SMBs. These new Seagate releases join the recently launched WD Gold and Ultrastar DC HC560 20TB HDDs as the industry’s largest capacity data center drives.
The Seagate Exos X16 and IronWolf Pro were previously available in 16TB and 18TB models, respectively, both of which offered solid performance and an easy way for organizations to scale their NAS devices as their storage needs expand. Seagate has designed the new 20TB Exos X20 model with a focus on cloud storage, as it offers performance for hyperscale data centers and massive scale-out applications.
It also features low latency of 4.16ms, repeatable response times, and enhanced caching. Additionally, Seagate indicates the Exos X20 has an increased sustained data rate of up to 285MB/s and a 2.5M-hr MTBF rating.
| Capacity | 20TB |
| Standard Model FastFormatTM (512/4Kn)1 | ST20000NM007D |
| SED Model FastFormat (512e/4Kn)1,2 | ST20000NM000D |
| SED-FIPS FastFormat (512e/4Kn)1,2 | — |
| Features | |
| Helium Sealed-Drive Design | Yes |
| Conventional Magnetic Recording (CMR) | Yes |
| Protection Information (T10 DIF) | — |
| Super Parity | Yes |
| Low Halogen | Yes |
| PowerChoice™ Idle Power Technology | Yes |
| PowerBalance™ Power/Performance Technology | Yes |
| Hot-Plug Support3 | Yes |
| Cache, Multisegmented (MB) | 256 |
| Organic Solderability Preservative | Yes |
| RSA 3072 Firmware Verification (SD&D) | Yes |
| Reliability | |
| Mean Time Between Failures (MTBF, hours) | 2,5000,000 |
| Reliability Rating@ Full24×7 Operation(AFR) | 0.35% |
| Non-recoverable Read Errors per Bits Read | 1 sector per 10E15 |
| Power-On Hours (per year) | 8760 |
| 512e Sector Size (Bytes per Logical Sector) | 512 |
| 4Kn Sector Size (Bytes per Logical Sector) | 4096 |
| Limited Warranty (years) | 5 |
| Performance | |
| Spindle Speed(RPM) | 7200 |
| Interface Access Speed (Gb/s) | 6.0, 3.0 |
| Max. Sustained Transfer Rate OD (MB/s,MiB/s) | 285/272 |
| Average Letency (ms) | 4.16 |
| Interface Ports | Single |
| Rotational Vibration @10-1500Hz (rad/s2) | 12.5 |
| Power Consumption | |
| Idle Power, Average (W) | 5.4W |
| Max Operating, Random Read/Write 4K/16Q (W) | 9.4, 6.4 |
| Power Supply Requirements | +12V and +5V |
| Environmental | |
| Operating Temperature (ambient, min °C) | 5°C |
| Operating Temperature (drive reported, max °C) | 60°C |
| Nonoperating Temperature (ambient, min °C) | -40°C |
| Nonoperating Temperature (ambient, max °C) | 70°C |
| Non-operating Vibration 10Hz to 500Hz (Grms) | 2.27 |
| Operating Shock 2 ms (Read/Write) (G) | 40/40 |
| Non-operating Shock 1 ms and 2 ms (G) | 200 |
| Acoustics, Idle (typical, measured in Idle 1 state) (dBA) | 28 |
| Acoustics, Seek (typical) (dBA) | 30 |
| Physical | |
| Height (mm/in, max) | 1.028in/26.1mm |
| Width (mm/in, max) | 4.010in/101.85mm |
| Depth (mm/in, max) | 5.787in/147.0mm |
| Weight (g/lb, typical) | 670g/1.477lb |
Seagate’s new IronWolf Pro 20TB is a NAS-optimized HDD featuring AgileArray technology, which promotes RAID reliability and compatibility during heavy NAS workloads. Designed with built-in rotational vibration (RV) sensors, the new IronWolf Pro also offers RV mitigation to provide reliable performance for NAS systems with little lag or downtime.
| Capacity | 20TB |
| Standard Model Number | ST20000NE000 |
| Interface | SATA 6Gb/s |
| Features | |
| Drive Bays Supported | Up to 24‐bay |
| Recording Technology | CMR |
| Drive Design (Air or Helium) | Helium |
| Workload Rate Limit (TB/yr) | 300 |
| Rotational Vibration (RV) Sensors | Yes |
| Cache (MB) | 256 |
| Reliability | |
| Mean Time Between Failures (MTBF, hours) | 1.2M |
| Reliability Rating @ Full 24×7 Operation (AFR) | 0.73% |
| Non‐recoverable Read Errors per Bits Read, Max | 1 per 10E15 |
| Power‐On Hours (per year) | 8760 |
| Sector Size (Bytes per Logical Sector) | 512E |
| Rescue Data Recovery Services (years) 3 | 3 |
| Limited Warranty (years) | 5 |
| Performance | |
| Spindle Speed (RPM) | 7200 |
| Interface Access Speed (Gb/s) | 6.0, 3.0, 1.5 |
| Max Sustained Transfer Rate OD (MB/s) | 285 |
| Rotational Vibration @10‐1500Hz (rad/s2) | 12.5 |
| Power Consumption | |
| Startup Current, Typical (12V, A) | 2.0 |
| Idle Power, Average (W) | 5.5 |
| Average Operating Power (W) | 7.7 |
| Standby Mode (W) | 1.0 |
| Sleep Mode (W) | 1.0 |
| Power Supply Requirements | +12V and +5V |
| Environmental | |
| Operating Temperature (ambient, min °C) | 0 |
| Operating Temperature (drive reported, max °C)4 | 65 |
| Nonoperating Temperature (ambient, min °C) | ‐40 |
| Nonoperating Temperature (ambient, max °C) | 70 |
| Non‐operating Vibration 10Hz to 500Hz (Grms) | 2.27 |
| Acoustics, Idle (typical, measured in Idle 1 state) (dBA) | 28 |
| Acoustics, Seek (typical) (dBA) | 32 |
| Operating Shock2 ms (Read/Write) (G) | 40/40 |
| Non‐operating Shock 1 ms and 2 ms (G) | 200 |
| Physical | |
| Height (mm/in, max) | 26.11/1.028 |
| Width (mm/in, max) | 101.85/4.01 |
| Depth (mm/in, max) | 146.99/5.787 |
| Weight (g/lb, typical) | 670/1.477 |
The new IronWolf Pro 20TB is also designed specifically for heavy user workloads, featuring high reliability with user workload rate limits of 300TB/year. Like the 20TB Exos X20, it offers sustained transfer rates of 285MB/s giving, allowing users to share files, back up, and take on heavy workloads in multi-user NAS environments.
Moreover, it supports the IronWolf Health Management system to easily monitor the drive’s status well as a 5-year limited warranty and three years of Seagate’s extensive Rescue Data Recovery Services.
The Seagate Exos X20 20TB and IronWolf Pro 20TB will be available for $669.99 and $649.99, respectively.
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