User Manual for Promise Technology 2TB Pegasus J4 2.5" Thunderbolt External RAID Enclosure with 4 SATA HDDs Click to enlarge the picture
Contents of the user manual for the Promise Technology 2TB Pegasus J4 2.5"
- Product category: Hard Drive Arrays Promise Technology
- Brand: Promise Technology
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Promise Technology Hard Drive Arrays
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User manual for the Promise Technology 2TB Pegasus J4 2.5" contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Promise Technology product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Promise Technology user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Promise Technology product will considerably shorten its lifespan!
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Product description RAID Arrays for Photography and Pro Video Read More vadzvawxay The 2TB Pegasus J4 2.5" Thunderbolt External RAID Enclosure with 4 SATA HDDs from Promise Technology is a disk array with four 2.5" SATA 500GB 5400rpm hard disk drives installed, for a total data storage capacity of 2TB. Instead of these drives, the system could support optional 7200rpm HDDs or SSDs (solid state drives).
The array is equipped with two Thunderbolt 10Gb/s interfaces (cables sold separately) and delivers data transfer speeds of up to 386.82MB/s read and 385.21MB/s write. It can be set up in a variety of RAID backup configurations, including RAID 0, 1 and JBOD, giving you the flexibility to choose higher data storage capacity or greater data protection.
The system supports daisy chaining up to 6 Thunderbolt-compatible devices. It is compatible with Mac OS X 10.6.8, 10.7.4, 10.7.5, 10.8 and 10.8.2, and supports Time Machine. The enclosure is constructed from durable, lightweight aluminum. - Data storage capacity of 2TB, with four 500GB 5400rpm SATA hard disk drives installed. The system could also support optional 7200rpm HDD's or SSDs (solid state drives)
- Connects to a computer via two Thunderbolt 10Gb/s interfaces (cables sold separately). Delivers up to 386.82 MB/s read speeds and 385.21 MB/s write speeds with the included drives
- Choose from a variety of RAID backup configurations, including RAID 0, 1 and JBOD, giving you the flexibility to choose higher data storage capacity or greater data protection. RAID 0 offers no redundancy, so it gives you the least amount of data protection, but offers improved performance and additional storage (100% capacity). RAID 1 creates an exact copy (mirroring without parity or striping) of a set of data on 2 or more disks, for increased protection but reduced capacity and transfer speed. JBOD is Just a Bunch of Disks, offering no redundancy and therefore very little protection. Each disk is accessed directly as an independent drive. It differs from RAID 0 in that it does not truncate the other drives to the size of the smallest disk in the array. The hard drive array supports daisy chaining up to 6 Thunderbolt-compatible devices, meaning you can combine high levels of data protection with high capacity and transfer speeds by configuring 2 daisy chained J4 arrays in a RAID 10 (RAID 1 + RAID 0)
- Combine with a Mac mini to create a cost-effective server-storage solution. Benefit from the freedom to add more devices when you require additional storage capacity
- Compatible with Mac OS X 10.6.8, 10.7.4, 10.7.5, 10.8 and 10.8.2. Supports Time Machine
- Constructed from durable, lightweight aluminum
UPC: 704118092277 In the Box Promise Technology 2TB Pegasus J4 2.5" Thunderbolt External RAID Enclosure with 4 SATA HDDs 4 x 2.5" SATA 500GB 5400rpm Hard Disk Drives Power Adapter Limited 2-Year Warranty Table of Contents
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Technical parametersPromise Technology J4 Specs | Capacity | 2.0 TB (4 x 500 GB) | | Array Type | External RAID | | Bays | 4 | | Drive Types Supported | 2.5" (6.35 cm) SATA hard disk drives and solid state drives | | Channels | 4: 2x per Thunderbolt port | | Data Transfer Rate | Up to 386.82 MB/s read, 385.21 MB/s write | | Video Stream Playback | PCI Express (PCIe) expansion bus protocol integrated with DisplayPort protocol for simultaneous data transmission and video output | | RAID | RAID 0, 1 and JBOD
Combinations possible via daisy chaining | | Desktop/Rackmount | Desktop | | Status Indicator | HDD LED and Thunderbolt connections LED | | Input and Output Connectors | 2x Thunderbolt 10 Gb/s interfaces (cables sold separately) | | Fan | Yes, located on bottom of unit | | Security | None | | Agency Certifications | Not specified by manufacturer | | System Requirements | Mac computer with OS X 10.6.8, 10.7.4, 10.7.5, 10.8 or 10.8.2 and Thunderbolt port: MacBook Pro 13", MacBook Pro 15", MacBook Pro 17", iMac 21", iMac 27", MacBook Air, or Mac mini
Display monitor: Apple LED Thunderbolt, Apple LED Cinema, Dell UltraSharp U3011, Philips 273P3LPHEB/96
Not Windows compatible | | Supported Drives | SATA hard drives:
Hitachi 750GB Travelstar 7K750 (model #HTS727575A9E364) with 0D0 firmware
Seagate 250GB Momentus Thin (model #ST9250LT003) with 0001SDM1 firmware, 500GB Momentus XT (model #ST95005620AS) with SD26 firmware, and 750GB Momentus (model #ST9750420AS) with 0001SDM5 firmware
Toshiba 750GB MQ01ABD (model #MQ01ABD075) with 1U firmware and 500GB MQ01ABD (model #MQ01ABD050) with 01A firmware
SSD drives:
Toshiba 240GB THNSNS Series (model #THNSNS240GBSP) with TPCABBF0 firmware
Intel 240GB 520 Series (model #SSDSC2CW2400A3) with 400i firmware, 120GB 510 Series (model #SSDSC2MH120A2) with PPG4 firmware, and 300GB 320 Series (model #SSDSA2BW300G3) with 4PC10302 firmware
Samsung 256GB 830 series (model #MZ-7PC256) with 2B1Q firmware | | Electrical Requirements | Power adapter (included) | | Construction | Aluminum | | Dimensions | 1.65 x 7.9 x 7.9" (4.2 x 20.1 x 20.1 cm) | | Weight | 5.29 lb (2.4 kg) with HDDs
3.53 lb (1.6 kg) without HDDs | | | | Package Weight | 5.0 lb | | Box Dimensions (LxWxH) | 13.1 x 10.8 x 4.3" |
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