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Toshiba Semiconductor and Storage MG04SCA20EA
- Part No.:
- MG04SCA20EA
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- Datasheet:
-
MG04SCA20EA.pdf
- Description:
- TOMCAT-R 2TB
- Quantity:
- Payment:
- Shipping:
Inventory:4,735
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Product details
Overview
MG04SCA20EA from Toshiba is a 2 TB enterprise-class 3.5-inch SAS-3 hard disk drive with 7,200 rpm spindle speed, 128 MiB buffer, and 4Kn native sector format (4,096 B logical/physical blocks), designed for 24×7 capacity-optimized data center storage systems requiring high reliability and workload resilience.
For engineers reviewing the MG04SCA20EA datasheet, MG04SCA20EA pinout, MG04SCA20EA application, or MG04SCA20EA equivalent, key selection criteria include its 12.0 Gbit/s dual-port SAS interface, 550 TB/year workload rating, Persistent Write Cache with power-loss protection, 1,400,000-hour MTTF, and RoHS-compliant 26.1 mm height form factor.
Technical Context
This drive implements a dual-port SAS-3.0 interface supporting backward compatibility down to 1.5 Gbit/s, enabling redundant host connectivity in enterprise storage arrays. It uses 4Kn Advanced Format with native 4,096-byte sectors for improved efficiency in virtualized and large-block workloads.
Toshiba's Persistent Write Cache (PWC) with Power Loss Protection (PLP) leverages flash memory and backup power to retain uncommitted write data during sudden power loss, ensuring data integrity without requiring host-level journaling. The drive is rated for continuous operation at 5–55 °C and supports up to 300 G non-operating shock tolerance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Formatted Capacity | 2 TB - usable storage after low-level formatting and metadata overhead; defined per Toshiba's decimal convention (1 TB = 10¹² bytes) |
| Interface | SAS-3.0 dual-port - enables failover and load balancing in enterprise RAID controllers and JBOD enclosures |
| Rotation Speed | 7,200 rpm ± 0.1% - delivers consistent latency and throughput for mixed random/sequential I/O in tier-2 servers |
| Average Latency | 4.17 ms - mechanical delay per sector access; critical for predictable response time in database and virtualization workloads |
| Buffer Size | 128 MiB - DRAM cache used for read-ahead, write coalescing, and command queuing to improve sustained transfer rates |
| Data Transfer Speed | 205 MiB/s sustained - maximum sequential throughput achievable under optimal host and firmware conditions |
| Workload Rating | 550 TB/year - annual data volume limit for warranty coverage; defines endurance for nearline enterprise deployment |
| MTTF | 1,400,000 hours - statistical reliability metric for large-scale fleet deployments; not a guaranteed service life |
Pinout & Package
MG04SCA20EA uses a standard 3.5-inch enterprise HDD form factor (147 mm × 101.6 mm × 26.1 mm max) with a 30-pin SAS edge connector compliant with SFF-8482 specification. Mechanical mounting follows industry-standard four-corner screw pattern and EIA-310-D chassis clearance requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–15 (A-side) | SAS Transmit/Receive Pair A | Dual-port primary interface lane (12 Gbit/s differential signaling); supports full-duplex communication with SAS expanders or HBAs |
| 16–30 (B-side) | SAS Transmit/Receive Pair B | Secondary port for redundancy; independent PHY allows concurrent connection to separate controllers without shared bus contention |
| V5 / V12 | Power Inputs | Separate +5 V ±5% and +12 V ±5% rails supply motor spin-up, actuator control, and logic; decoupling required per SFF-8482 |
| GND | Signal & Power Return | Multiple dedicated ground pins ensure signal integrity and thermal dissipation across high-speed serial lanes and motor circuits |
Key Features
| Feature | Design Value |
|---|---|
| 4Kn Native Sector Format | 4,096-byte logical and physical sectors eliminate 512e translation overhead, improving IOPS efficiency and reducing write amplification in modern OS and hypervisors |
| Persistent Write Cache with PLP | Flash-backed write cache retains unflushed data during unexpected power loss, preventing corruption without host-side transaction logging |
| Dual-Port SAS-3.0 | Independent A/B ports enable active-active or active-passive failover in clustered storage environments, eliminating single-point-of-failure in I/O paths |
| Sanitize Instant Erase (SIE) | Hardware-based cryptographic erase compliant with NIST SP 800-88 Rev. 1; completes secure data destruction in seconds, not hours |
| RoHS-Compliant Construction | Meets EU Directive 2011/65/EU limits for Pb, Hg, Cd, Cr⁶⁺, PBB, and PBDE in homogeneous materials; suitable for global data center deployments |
Applications
| Enterprise Tier-2 Storage Arrays | Virtualized Infrastructure Servers |
|---|---|
|
Use Scenario: Mid-density JBOD expansion in Dell EMC SC Series or NetApp FAS platforms handling mixed OLTP and analytics workloads. IC Role / Device Role / Timing Role: Primary capacity-tier block storage device providing persistent, high-availability LUNs via dual-port SAS fabric. Use Value: 550 TB/year workload rating and 1.4M-hour MTTF support multi-year deployment without scheduled replacement cycles in managed service environments. |
Use Scenario: VMware vSAN or Microsoft Storage Spaces Direct clusters requiring cost-effective, high-capacity nodes for VDI boot storms and snapshot repositories. IC Role / Device Role / Timing Role: 4Kn-native storage target delivering deterministic latency and aligned I/O performance for hypervisor-aware guest OSes. Use Value: Native 4K sectors reduce CPU overhead from format translation, increasing effective VM density per host without additional RAM or CPU provisioning. |
| Cloud Provider Object Storage Backends | Backup & Archive Appliance Drives |
|
Use Scenario: Ceph OSD nodes in hyperscale object stores where capacity-per-watt and annual TB shipped define TCO. IC Role / Device Role / Timing Role: High-reliability spinning media tier behind SSD caching layers, optimized for sequential large-object writes and long-term retention. Use Value: 205 MiB/s sustained throughput and 7,200 rpm rotational speed balance sequential bandwidth with power efficiency (6.1 W idle) across thousands of nodes. |
Use Scenario: Quantum Scalar i6000 or Spectra Logic T-Finity tape library disk shelves performing deduplicated backup staging and catalog indexing. IC Role / Device Role / Timing Role: Buffer-tier storage holding compressed backup images prior to tape migration; relies on PWC+PLP for crash-consistent staging. Use Value: Sanitize Instant Erase enables rapid drive reclamation between backup jobs, meeting strict data sanitization SLAs without manual intervention or external tools. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar enterprise SAS HDD applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Seagate EXOS 2X14 (ST14000NM0007) | 14 TB capacity, 256 MiB cache, 7,200 rpm, same 12 Gb/s dual-port SAS and 4Kn format; higher capacity density but larger physical footprint (26.1 mm vs. 26.1 mm same height) | Targeted at newer scale-out architectures requiring >10 TB/node; less suitable for legacy 2U/4-bay enclosures constrained by 2 TB per bay | Select when upgrading capacity per slot is prioritized over maintaining identical drive count or thermal profile in existing racks |
| HGST Ultrastar HS14 (HUS726020ALS210) | 20 TB capacity, helium-filled, 7,200 rpm, 256 MiB cache, SAS-3.0 dual-port, 4Kn; lower power (5.2 W idle) and higher MTTF (2.5M hrs) | Optimized for ultra-dense cold-storage tiers; requires helium-sealed infrastructure and may not fit legacy backplanes with non-helium thermal derating | Choose for greenfield deployments where helium ecosystem support exists and annual workload exceeds 550 TB with extended longevity requirements |
Compared with MG04SCA20EA, the Seagate EXOS 2X14 offers greater capacity per drive but demands updated enclosure cooling and firmware; the HGST Ultrastar HS14 delivers superior energy efficiency and longevity but introduces helium dependency and higher acquisition cost-making MG04SCA20EA the balanced choice for capacity-constrained, thermally sensitive, or budget-sensitive midline upgrades.
Availability
MG04SCA20EA is available at Aetrix Electronics and suitable for enterprise storage arrays, virtualized infrastructure servers, and cloud provider object storage backends requiring stable component supply, long-term lifecycle visibility, and RoHS-compliant sourcing.
Supply support for MG04SCA20EA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Toshiba Corporation (now Kioxia Corporation following 2018 spin-off) is a Japanese semiconductor and storage technology pioneer, known for NAND flash innovation and enterprise-class HDD development.
The MG04SCAxxEx series was engineered specifically for nearline enterprise storage-balancing 7,200 rpm performance, high capacity, and workload-rated reliability in standard 3.5-inch SAS form factors.
FAQ
What is the native sector size supported by MG04SCA20EA?
The MG04SCA20EA implements 4Kn (4,096-byte) native sector format for both logical and physical block addressing. It does not support 512e emulation mode. This design eliminates translation overhead in modern operating systems and hypervisors that natively align I/O to 4K boundaries, improving efficiency in virtualized and large-file workloads. The MG04SCA20EA must be deployed in environments with 4K-aware firmware and drivers.
Does MG04SCA20EA support dual-port SAS failover?
Yes, MG04SCA20EA features a true dual-port SAS-3.0 interface compliant with SFF-8482, enabling independent connections to two host bus adapters or expanders. This allows active-active or active-passive configurations for path redundancy and load balancing in enterprise storage arrays. Each port operates at up to 12.0 Gbit/s and maintains separate command queues and error recovery domains.
What is the power consumption profile of MG04SCA20EA during operation?
The MG04SCA20EA consumes up to 11.8 W during read/write operations and approximately 6.1 W in low-power idle state. Its dual-rail design requires regulated +5 V ±5% and +12 V ±5% supplies. Power delivery must meet SFF-8482 transient response and decoupling requirements to ensure stable spin-up and sustained operation under burst workloads.
How does Persistent Write Cache with PLP function in MG04SCA20EA?
In MG04SCA20EA, Persistent Write Cache with Power Loss Protection (PLP) uses onboard flash memory and capacitor-backed power to preserve uncommitted write data when main power fails unexpectedly. If the host reports a write as complete before data reaches platters, MG04SCA20EA stores it in flash and flushes it upon safe restart. This prevents silent corruption without requiring host-level journaling.
Is MG04SCA20EA compatible with legacy SAS-2 or SAS-1 infrastructure?
Yes, MG04SCA20EA supports backward compatibility with SAS-2 (6.0 Gbit/s) and SAS-1 (3.0 Gbit/s) host controllers and expanders via automatic speed negotiation. While its maximum performance is realized at 12.0 Gbit/s, it will operate reliably at lower link speeds without configuration changes. However, features like enhanced error recovery and certain PLP behaviors are fully enabled only in SAS-3.0 environments.
MG04SCA20EA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- MG04SCAxxEx
- Packaging:
- Bulk
- Product Status:
- Active
- Memory Size:
- 2TB
- Memory Type:
- Magnetic Disk (HDD)
- Form Factor:
- 3.5"
- Speed - Read:
- -
- Speed - Write:
- -
- Voltage - Supply:
- 5V, 12V
- Type:
- SAS
- Current - Max:
- -
- Operating Temperature:
- 5°C ~ 55°C
- Weight:
- -
- Size / Dimension:
- 147.00mm x 101.60mm x 26.10mm
MG04SCA20EA FAQ
1.How can I place an order for MG04SCA20EA through Aetrix?
Please submit a Request for Quotation (RFQ) for MG04SCA20EA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MG04SCA20EA reliable?
The price and inventory of MG04SCA20EA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MG04SCA20EA is usually 5 days.
3.What payment methods are accepted for MG04SCA20EA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MG04SCA20EA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MG04SCA20EA?
MG04SCA20EA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MG04SCA20EA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MG04SCA20EA?
For technical support, including MG04SCA20EA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MG04SCA20EA requirements.
6.How does Aetrix verify that MG04SCA20EA is sourced from the original manufacturer or authorized distributors?
All MG04SCA20EA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MG04SCA20EA meets industry standards.
7.What is the process for return or replacement of MG04SCA20EA?
All MG04SCA20EA units undergo pre-shipment inspection (PSI). If there is an issue with MG04SCA20EA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MG04SCA20EA part is unused and in its original packaging.
Return procedure for MG04SCA20EA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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