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Disk Arrays

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QNAP QNAP TR-002 storage drive enclosure HDD/SSD enclosure Black 2.5/3.5"

QNAP TR-002 storage drive enclosure HDD/SSD enclosure Black 2.5/3.5"

Part number: TR-002

Manufacturer: QNAP

Chassis type: Desktop

Storage drives installed: No

Total installed storage capacity: 0 TB

Number of storage drives supported: 2.0000

Storage drive size: 2.5/3.5

569.39 ₪ excl. VAT
666.19 ₪ incl. VAT
24h Shipment in 24H
Availability:
9  pcs
Product configuration
Synology Synology Expansion Unit RX1223RP

Synology Expansion Unit RX1223RP

Part number: RX1223RP

Manufacturer: Synology

Number of storage drives supported: 12.0000

Storage drive size: 2.5/3.5

8,803.11 ₪ excl. VAT
10,299.64 ₪ incl. VAT
Availability:
8  pcs
Synology Synology Expansion Unit DX517

Synology Expansion Unit DX517

Part number: DX517

Manufacturer: Synology

Chassis type: Desktop

Storage drives installed: No

Total installed storage capacity: 0 TB

Number of storage drives supported: 5.0000

Supported storage drive types: HDD & SSD

1,942.18 ₪ excl. VAT
2,272.35 ₪ incl. VAT
Availability:
11-20  pcs
Synology Synology Expansion Unit RX418

Synology Expansion Unit RX418

Part number: RX418

Manufacturer: Synology

Chassis type: Rack (1U)

Storage drives installed: No

Total installed storage capacity: 0 TB

Number of storage drives supported: 4.0000

Supported storage drive types: HDD & SSD

2,115.67 ₪ excl. VAT
2,475.33 ₪ incl. VAT
24h Shipment in 24H
Availability:
1  pcs
QNAP QNAP TR-004 storage drive enclosure HDD/SSD enclosure Black 2.5/3.5"

QNAP TR-004 storage drive enclosure HDD/SSD enclosure Black 2.5/3.5"

Part number: TR-004

Manufacturer: QNAP

Chassis type: Desktop

Storage drives installed: No

Number of storage drives supported: 4.0000

Storage drive size: 2.5/3.5

816.70 ₪ excl. VAT
955.54 ₪ incl. VAT
24h Shipment in 24H
Availability:
2  pcs
Product configuration
QNAP QNAP TR-004U storage drive enclosure HDD/SSD enclosure Black, Grey 2.5/3.5"

QNAP TR-004U storage drive enclosure HDD/SSD enclosure Black, Grey 2.5/3.5"

Part number: TR-004U

Manufacturer: QNAP

Storage drives installed: No

Number of storage drives supported: 4.0000

Supported storage drive types: HDD & SSD

Storage drive size: 2.5/3.5

1,194.02 ₪ excl. VAT
1,397.00 ₪ incl. VAT
Availability:
4  pcs
Product configuration
QNAP QNAP TL-D800C storage drive enclosure HDD/SSD enclosure Black, Grey 2.5/3.5"

QNAP TL-D800C storage drive enclosure HDD/SSD enclosure Black, Grey 2.5/3.5"

Part number: TL-D800C

Manufacturer: QNAP

Number of storage drives supported: 8.0000

Storage drive size: 2.5/3.5

1,961.03 ₪ excl. VAT
2,294.41 ₪ incl. VAT
Availability:
4  pcs
Product configuration
HPE HPE MSA 2060 16Gb FC LFF TAA-compliant Storage

HPE MSA 2060 16Gb FC LFF TAA-compliant Storage

Part number: R9G39B

Manufacturer: HPE

Chassis type: Rack (2U)

Storage drives installed: Yes

Total installed storage capacity: 72 TB

Number of storage drives supported: 24.0000

Supported storage drive types: HDD & SSD

Storage drive size: 2.5/3.5

68,808.22 ₪ excl. VAT
80,505.62 ₪ incl. VAT
Availability:
50+  pcs
Product configuration
HPE HPE MSA 2060 16Gb FC SFF TAA-compliant Storage

HPE MSA 2060 16Gb FC SFF TAA-compliant Storage

Part number: R9G38B

Manufacturer: HPE

Chassis type: Rack (2U)

Storage drives installed: Yes

Total installed storage capacity: 14.4 TB

Number of storage drives supported: 24.0000

Supported storage drive types: HDD & SSD

Storage drive size: 2.5

63,801.72 ₪ excl. VAT
74,648.01 ₪ incl. VAT
Availability:
50+  pcs
Product configuration
HPE HPE MSA 2060 10GbE iSCSI SFF TAA-compliant Storage

HPE MSA 2060 10GbE iSCSI SFF TAA-compliant Storage

Part number: R9G40B

Manufacturer: HPE

Chassis type: Rack (2U)

Storage drives installed: Yes

Total installed storage capacity: 14.4 TB

Number of storage drives supported: 24.0000

Supported storage drive types: HDD & SSD

Storage drive size: 2.5

59,491.87 ₪ excl. VAT
69,605.49 ₪ incl. VAT
Availability:
50+  pcs
Product configuration
HPE HP ENT BC005AAE HPE StoreOnce VSA Server 100TB E-LTU

HP ENT BC005AAE HPE StoreOnce VSA Server 100TB E-LTU

Part number: BC005AAE

Manufacturer: HPE

169,584.13 ₪ excl. VAT
198,413.43 ₪ incl. VAT
Availability:
50+  pcs
Sandisk SanDisk G-RAID SHUTTLE 4 disk array 48 TB Desktop Black

SanDisk G-RAID SHUTTLE 4 disk array 48 TB Desktop Black

Part number: SDPH34H-048T-MBAAB

Manufacturer: Sandisk

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 48 TB

Number of storage drives supported: 4.0000

Supported storage drive types: HDD

13,213.42 ₪ excl. VAT
15,459.70 ₪ incl. VAT
Availability:
21-30  pcs
Synology Synology Expansion Unit DX1222

Synology Expansion Unit DX1222

Part number: DX1222

Manufacturer: Synology

Number of storage drives supported: 12.0000

Storage drive size: 2.5/3.5

4,880.54 ₪ excl. VAT
5,710.23 ₪ incl. VAT
Availability:
11-20  pcs
Supermicro Supermicro CSE-LB13AC2-R860AW 1U SCLB13 CloudDC Chassis w/ Redundant 860W,RoHS

Supermicro CSE-LB13AC2-R860AW 1U SCLB13 CloudDC Chassis w/ Redundant 860W,RoHS

Part number: CSE-LB13AC2-R860AW

Manufacturer: Supermicro

Chassis type: Rack (1U)

Storage drives installed: No

Number of storage drives supported: 8.0000

Supported storage drive types: HDD

2,931.70 ₪ excl. VAT
3,430.09 ₪ incl. VAT
Availability:
11-20  pcs
Sandisk SanDisk G-RAID SHUTTLE 8 disk array 96 TB Desktop Black

SanDisk G-RAID SHUTTLE 8 disk array 96 TB Desktop Black

Part number: SDPH48H-096T-MBAAB

Manufacturer: Sandisk

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 96 TB

Number of storage drives supported: 8.0000

Supported storage drive types: HDD

27,559.10 ₪ excl. VAT
32,244.15 ₪ incl. VAT
Availability:
10  pcs
LaCie LaCie 2big Dock disk array 48 TB Desktop Black

LaCie 2big Dock disk array 48 TB Desktop Black

Part number: STLG48000400

Manufacturer: LaCie

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 48 TB

7,676.39 ₪ excl. VAT
8,981.38 ₪ incl. VAT
Availability:
10  pcs
Synology Synology Expansion Unit RXD1219sas

Synology Expansion Unit RXD1219sas

Part number: RXD1219SAS

Manufacturer: Synology

Storage drives installed: No

Total installed storage capacity: 0 TB

Number of storage drives supported: 12.0000

Supported storage drive types: HDD & SSD

13,315.23 ₪ excl. VAT
15,578.82 ₪ incl. VAT
Availability:
9  pcs
QNAP QNAP TL-R1620Sdc HDD/SSD enclosure Black 2.5/3.5"

QNAP TL-R1620Sdc HDD/SSD enclosure Black 2.5/3.5"

Part number: TL-R1620SDC

Manufacturer: QNAP

Number of storage drives supported: 16.0000

Storage drive size: 2.5/3.5

13,232.08 ₪ excl. VAT
15,481.53 ₪ incl. VAT
Availability:
8  pcs
Product configuration
Supermicro Supermicro CSE-216BE1C-R609JBOD 2U SC216B 24 DriveJBOD w/SingleExpander,Redundant600W PS

Supermicro CSE-216BE1C-R609JBOD 2U SC216B 24 DriveJBOD w/SingleExpander,Redundant600W PS

Part number: CSE-216BE1C-R609JBOD

Manufacturer: Supermicro

Chassis type: Rack (2U)

Storage drives installed: No

Number of storage drives supported: 24.0000

Supported storage drive types: HDD

6,261.25 ₪ excl. VAT
7,325.66 ₪ incl. VAT
Availability:
8  pcs
Western Digital WD My Book Duo BFBE0360JBK 36TB HDD Array

WD My Book Duo BFBE0360JBK 36TB HDD Array

Part number: WDBFBE0360JBK-EESN

Manufacturer: Western Digital

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 36 TB

Number of storage drives supported: 2.0000

Supported storage drive types: HDD

Storage drive size: 3.5

5,023.24 ₪ excl. VAT
5,877.19 ₪ incl. VAT
Availability:
8  pcs
Sandisk SanDisk G-RAID SHUTTLE 8 disk array 208 TB Desktop Black

SanDisk G-RAID SHUTTLE 8 disk array 208 TB Desktop Black

Part number: SDPH48H-208T-MBAAB

Manufacturer: Sandisk

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 208 TB

Number of storage drives supported: 8.0000

Supported storage drive types: HDD

51,533.45 ₪ excl. VAT
60,294.14 ₪ incl. VAT
Availability:
7  pcs
Western Digital "Western Digital 16TB My Book Duo External Hard Drive with USB 3.0"

"Western Digital 16TB My Book Duo External Hard Drive with USB 3.0"

Part number: WDBFBE0160JBK-EESN

Manufacturer: Western Digital

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 16 TB

Number of storage drives supported: 2.0000

Supported storage drive types: HDD

Storage drive size: 3.5

2,487.30 ₪ excl. VAT
2,910.14 ₪ incl. VAT
Availability:
7  pcs
Sandisk SanDisk G-RAID SHUTTLE 4 disk array 104 TB Desktop Black

SanDisk G-RAID SHUTTLE 4 disk array 104 TB Desktop Black

Part number: SDPH34H-104T-MBAAB

Manufacturer: Sandisk

Chassis type: Desktop

Storage drives installed: Yes

Total installed storage capacity: 104 TB

Number of storage drives supported: 4.0000

Supported storage drive types: HDD

29,854.73 ₪ excl. VAT
34,930.03 ₪ incl. VAT
Availability:
6  pcs
Synology Synology Expansion Unit RX1222sas

Synology Expansion Unit RX1222sas

Part number: RX1222SAS

Manufacturer: Synology

Number of storage drives supported: 12.0000

Storage drive size: 2.5/3.5

11,404.87 ₪ excl. VAT
13,343.70 ₪ incl. VAT
Availability:
5  pcs
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Disk Arrays – Professional Storage Solutions

This guide will help you understand how disk arrays work, compare configurations, and assist you in choosing a RAID setup tailored to your organisation's requirements. These devices are the most effective solution for companies and institutions that need a reliable, scalable data storage system with protection against the failure of one or more disks.

You will find information about drive types, enclosures, manufacturers, and industry applications – everything you need before making a purchase.

What is a disk array?

A disk array (also known as a Redundant Array of Independent Disks, or RAID) is a storage device that combines multiple physical disks into a single storage space and operates based on RAID technology, which enhances performance, reliability, and storage capacity. This allows data to be distributed across individual disks according to a specific scheme.

The basic principles of RAID arrays involve dividing data among disks and calculating checksums (parity). In the event of a disk failure, access to data remains possible thanks to the appropriate data fragments stored on the remaining disks.

A disk array guarantees data security even in the event of a single disk failure. Additionally, arrays offer greater capacity, increased data transmission bandwidth between disks and the array controller, resulting in faster data read and write speeds and an overall improvement in storage system performance, as well as the ability to replace a failed disk without interrupting system operation.

What do the numbers next to RAID mean?

The numbers next to RAID define different levels of disk arrays, which determine how data is organised and the level of security of the storage system. The choice of the appropriate RAID configuration should depend on performance, capacity, and reliability requirements. Each RAID level has its distinctive features:

  • RAID 0 - data is striped across multiple disks, which increases read and write speeds but does not provide protection against disk failure; losing one disk results in the loss of all data.
  • RAID 1 - data is mirrored across two disks, ensuring data security in the event of a single disk failure, but reduces available capacity by half.
  • RAID 5 - data and parity codes are distributed across at least three disks, allowing data recovery in case of a single disk failure, although this slows down write operations due to checksum calculations.
  • RAID 6 - similar to RAID 5, but with double parity, allowing for the failure of two disks simultaneously, increasing security at the cost of slightly lower performance.
  • RAID 10 combines the features of RAID 0 and RAID 1, providing high performance and fault tolerance, requiring a minimum of four disks for configuration.

The choice of the appropriate RAID level depends on the needs regarding speed, capacity, and data protection in your infrastructure.

Disk Arrays for Different Applications

The choice of array configuration depends on the specifics of the working environment and the requirements for performance and data security.

Office Applications and Small Businesses

RAID 1 is the optimal solution for small teams where data security is a priority. It is a good choice for document backups, file sharing, and simple databases.

Server Environments and Large Enterprises

RAID 5 and RAID 6 are suitable for server environments, ERP databases, virtualisation environments, or companies in the financial sector that require a high level of security and continuity of transactional systems.

Multimedia and Data Processing

RAID 0 is often used in 4K/8K video post-production studios, graphic and animation editing applications, and anywhere speed of data read and write is critical. Moreover, RAID 0 is used in data analysis systems that process large amounts of information in real-time.

Basic Technical Parameters

Understanding the technical parameters of RAID arrays will help in selecting hardware tailored to the infrastructure requirements.

Types of Drives

RAID arrays support drives in 2.5-inch and 3.5-inch formats. Smaller 2.5" drives offer higher mounting density and are typical for SSDs and fast SAS. The 3.5" format dominates among high-capacity hard drives.

Drive interfaces include SAS (12 Gb/s) for enterprise environments, SATA (6 Gb/s) for economical solutions, and NVMe for the highest performance. HDD rotational speeds are 7200 RPM for archiving or 10,000–15,000 RPM for applications requiring high current performance from the array.

Supported drive types are HDD for capacity and economy and SSD for performance. Many enterprise arrays support mixed configurations with auto-tiering. In practice, this means that a disk array can use different types of drives simultaneously (SSD and HDD) and intelligently moves data between them to optimise performance and costs.

For example, we have a company system with a customer database. This data goes to the SSD because it is frequently used. Meanwhile, old logs from a year ago are stored on HDD. And all of this happens automatically thanks to auto-tiering.

Types of Enclosures

Desktop Enclosure

Desktop enclosure types (tower) are suitable for offices and small businesses. They are compact solutions with 2-4 bays, which are places for mounting hard drives or SSDs. They allow for easy installation, replacement, and expansion of storage without the need to dismantle the entire enclosure. This enables users to quickly adjust the array configuration to changing needs or gain convenient access during the replacement of a failed disk.

Rack Enclosure

Rack enclosures (1U, 2U, 3U, 4U) are designed for server rooms and data centres, offering 8–24 bays, redundant power supplies, and easy expansion with expansion shelves that allow for increasing the number of mounted disks without the need to replace the entire enclosure. Rack enclosures are designed for continuous operation in demanding server room conditions. They enable efficient use of rack space, which is important in large data centres. Many models are equipped with cooling systems and monitoring of disk and power status, minimising the risk of data loss.

Senetic Offer

In Senetic's offer, you will find disk arrays from leading manufacturers: Western Digital with compact My Book Duo solutions, as well as products from Dell, HPE, Synology, and QNAP.

We encourage you to register on the Senetic B2B Portal, which provides access to the full offer, dedicated prices, and order management tools. Our experts provide technical support and advice in selecting a configuration tailored to your requirements.

Frequently Asked Questions (FAQ)

What does hot-swap mean?

In the context of RAID arrays, the ability to replace a disk (or other component) without shutting down the system.

What is the difference between hardware RAID and software RAID?

Hardware RAID uses a dedicated controller that offloads the CPU, offering better array performance, full hot-swap support, and advanced enterprise features. Software RAID implemented by the operating system is cheaper but slower when writing data and often functionally limited.

How many disks do I need to create a RAID 5 array?

A minimum of three disks. Each additional disk increases capacity but extends the rebuild time after a failure. For disks over 8 TB, consider RAID 6 or RAID 10 for better protection during rebuilds.

Does a RAID array replace backups?

No. RAID protects against disk failure, but does not safeguard against user errors, ransomware, or mechanical damage. Always maintain backups outside the array, preferably in a remote location or cloud. Disk arrays also do not replace regular backups in case of accidental file deletion.

What disk capacity should I choose for a disk array?

It depends on the requirements: analyse current data plus expected growth. Larger disks offer better cost per TB but extend rebuild time. In enterprise environments, SSDs are often used for applications requiring high IOPS and HDDs for storing archival data.

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