Dell Compellent 74PYH / 85KCH 3TB SAS Enterprise Plus Hard Drive

Dell Equallogic Compellent Part #/MPN: 74PYH

DiscTech Item #: DEC-74PYH-BN-OE


Enterprise Grade

Capacity: 3TB

Speed: 7,200RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 215

Electrical Interface: SAS-3 Serial Attached SCSI v3 - 12.0Gbps

On-Board Cache: 128MB

Compatible Systems: Dell Compellent SCv2000 SCv2020 SC200 SC120 SC100

Dell Compellent 74PYH / 074PYH / 085KCH / 85KCH 3TB / 3000GB 7.2K 3.5" 12Gb/s SAS 512n Enterprise Plus Hard Drive with 72CWN tray - Brand New

Dell Compellent 74PYH / 074PYH / 085KCH / 85KCH / Seagate ST3000NM0025 / 1V420N-157 3TB / 3000GB 7.2K 3.5" 12Gb/s SAS 512n Enterprise Plus HDD / Hard Drive with 72CWN tray - Brand New

Capacity-Optimized Enterprise Hard Drive for Bulk-Data Applications 


  • 1TB to 8TB 1 , 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology 
  • Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive. 
  • 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems 
  • State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-toend SAS-based data integrity for accurate data storage 
  • Industry-leading rotational vibration design helps ensure consistent performance in dense multi-drive systems 
  • Engineered for 24x7 workloads of 550TB/yr 
  • Robust performance with dual processors, ramp load technology, top-cover-attached motor and humidity sensor for optimum performance in all chassis 
  • On-demand PowerBalance™ feature available for lower power/performance in random read/write environments 
  • Seagate Secure® Self-Encrypting Drive featuring Instant Secure Erase for cost-saving drive retirement and secure data-at-rest protection 
  • Seagate SeaTools™ diagnostic software to provide drive self-tests ensuring no unnecessary downtime and maximizing TCO 
Best-Fit Applications 



  • Hyperscale applications/cloud data centers with replicated storage 
  • Massive scale-out data centers and big data analytics 
  • High-capacity density RAID storage 
  • Mainstream enterprise external storage (SAN, NAS, DAS) 
  • Distributed file systems, including Hadoop and Ceph 
  • Enterprise backup and restore—D2D, virtual tape
Mfgr Part#: 1V420N-002



This 3.5" SAS / SATA caddy is compatible with the following Dell SC Compellent systems supporting 3.5" hot swappable disks: 



74PYH Product Specifications
InterfaceSAS 12 Gb/s
Performance Specifications
Rotational Speed7,200 RPM (nominal)
Cache128 MB
Transfer Rate, Max Ext (MB/s)600 MB/s
Sustained Data Rate OD215MB/s
Average Latency (ms)4.16
Reliability/Data Integrity
Nonrecoverable Read Errors per Bits Read1 in 1015
Annualized Failure Rate (AFR)0.63%
Physical Dimensions
Height1.028 Inches
Length5.787 Inches
Width4.00 Inches
Weight1.444 Lbs
Height26.1 mm
Depth147 mm
Width101.6 mm
Weight0.635 kg
Environmental Specifications
Operating Shock (Read)70/40 (2 ms)
Non-operating Shock300G (2 ms)
Acoustics (belssound power)
Idle Mode2.8
Seek Mode 03.0
Temperature (English)
Operating41° F to 131° F
Non-operating-40° F to 158° F
Temperature (Metric)
Operating5° C to 60° C
Non-operating-40° C to 70° C
Electrical Specifications
Current Requirements
Power Dissipation:
Read/Write11.27 Watts
Idle6.73 Watts


ROHS Compliant

Alternate MPNs: 085KCH 085KCH

Weight: 1.8 lb

Warranty: 1 Year DiscTech

Brand New

Condition Levels Explained

The product is brand new.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty