ATTO R380 Expresssas Sas Raid Pci Adapter

( Brand: Atto ), ( Manufacturer Part Number: R380 ), ( Type: Raid Controller Card ), ( Interface Bracket: Low Profile ), ( Network Ports: Sas ), ( Compatible Port: Pci Express X8 )

Review ATTO Technology Expresssas Low profile Sas Raid Pci Express Adapter

The **ATTO ExpressSAS Low-Profile SAS RAID PCIe Adapter (Model R380)** is a high-performance, enterprise-grade storage solution designed to deliver unparalleled speed, reliability, and flexibility for demanding data-intensive environments. Engineered with ATTO s signature precision and optimized for modern storage architectures, this low-profile PCIe card is built to seamlessly integrate into servers, workstations, and high-end storage arrays where space is at a premium. Featuring a **dual-port SAS interface**, the R380 supports both **SAS and SATA drives**, making it an ideal bridge between legacy and next-generation storage systems while maintaining backward compatibility. With **6Gbps SAS connectivity**, it ensures blazing-fast data transfer rates, reducing latency and accelerating I/O operations for applications ranging from virtualization and database management to media editing and scientific computing.

At its core, the R380 ExpressSAS adapter leverages **ATTO s proprietary RAID technology**, offering a robust suite of **RAID levels (0, 1, 5, 6, 10, 50, and 60)** to safeguard critical data while maximizing performance and redundancy. The card s **low-profile form factor** allows for compact installation in servers with limited PCIe slot availability, making it a versatile choice for rack-mounted systems where space efficiency is crucial. Built with **enterprise-grade components**, including high-quality capacitors and robust circuitry, the R380 ensures long-term reliability under heavy workloads, minimizing downtime and maintenance requirements. Its **hot-swappable design** further enhances operational flexibility, enabling administrators to replace or upgrade drives without disrupting system performance.

The R380 ExpressSAS adapter also excels in **scalability**, supporting up to **eight internal SAS/SATA drives** (depending on configuration) and offering **dual-channel SAS connectivity** for enhanced redundancy and failover capabilities. This makes it an excellent choice for storage arrays, NAS systems, and high-end workstations where data integrity and performance are non-negotiable. The card s **compatibility with major operating systems**, including Windows, Linux, and various flavors of Unix, ensures seamless integration into diverse IT infrastructures. Additionally, ATTO s **driver and firmware updates** provide ongoing support, ensuring compatibility with the latest storage technologies and security patches.

For professionals who demand **maximum storage efficiency without sacrificing performance**, the ATTO R380 ExpressSAS Low-Profile SAS RAID PCIe Adapter delivers a compelling blend of speed, reliability, and adaptability. Whether deployed in a high-end workstation for media production, a virtualized server environment, or a mission-critical enterprise storage solution, this adapter stands as a testament to ATTO s commitment to innovation and engineering excellence. With its **low-profile design, enterprise-grade build, and advanced RAID capabilities**, the R380 is not just a storage accelerator it s a cornerstone for next-generation data management.

The **ATTO ExpressSAS Low-Profile SAS RAID PCIe Adapter (R380)** is a high-performance SAS expansion card designed for enterprise and professional storage setups. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **High Performance and Bandwidth**

The R380 supports **12Gbps SAS** and **PCIe 3.0 x8**, delivering sustained data transfer speeds of up to **1.2 GB/s per port** (with proper drives). This makes it ideal for high-end storage arrays, NAS systems, or workstations requiring fast sequential reads/writes.

2. **Enterprise-Grade Reliability**

ATTO is a well-established brand in storage solutions, known for durability and low failure rates. The R380 is built for **24/7 operation**, making it suitable for servers and critical storage environments.

3. **RAID Support (Optional)**

While the R380 is primarily a **SAS expander**, ATTO offers optional **RAID controller firmware** (via a license) that supports **RAID 0, 1, 5, 6, 10, and 50**. This adds redundancy and performance tuning capabilities for users who need built-in RAID management.

4. **Low-Profile Design**

The card fits in **ATX motherboards with low-profile slots**, making it a good choice for systems with limited PCIe slot availability. It does not require a full-height slot.

5. **Hot-Swappable SAS Backplanes**

The R380 is designed to work with **hot-swappable SAS backplanes**, allowing for drive replacements without powering down the system a key feature for servers and NAS setups.

6. **Compatibility with High-Capacity Drives**

It supports **SAS 2.5" and 3.5" drives**, including **enterprise SSDs (SAS SSDs)** and **HDDs**, making it versatile for different storage needs.

7. **No Additional Power Connector Needed**

Unlike some SAS expanders, the R380 **does not require a separate power connector** (it draws power from the PCIe slot), simplifying installation.

8. **Software Support**

ATTO provides **driver and utility software** for monitoring, configuration, and performance tuning. The **ATTO Storage Manager** allows for basic RAID management and health checks.

9. **Backward Compatibility**

It supports **6Gbps SAS** drives, ensuring compatibility with older storage hardware if needed.

10. **Good for DIY NAS and Server Builds**

If you're building a **high-performance NAS (e.g., with TrueNAS, UnRAID, or Linux)**, this card can significantly improve storage throughput compared to standard SATA controllers.

---

### **Cons**

1. **No Native NVMe Support**

The R380 is **SAS-only** and does not support **NVMe SSDs**. If you need NVMe drives, you ll need a separate **NVMe add-in card** or rely on onboard motherboard NVMe slots.

2. **No Built-in Cache (Without RAID License)**

Without purchasing the **RAID license**, the R380 lacks **write-back caching**, which can reduce write performance and reliability in high-write workloads. The RAID license is an **additional cost** ( $100 $200).

3. **Limited Port Count (8 Ports Max)**

The R380 typically comes in **4-port or 8-port configurations**. If you need **more than 8 SAS ports**, you may need multiple cards or a different model (e.g., ATTO R680 for 16 ports).

4. **No USB or Thunderbolt Expansion**

Unlike some newer SAS cards, the R380 does not include **USB or Thunderbolt connectivity**, limiting its use in hybrid storage setups.

5. **Driver and Configuration Complexity**

Setting up RAID or optimizing performance may require **manual driver installation** and **software configuration**, which can be intimidating for beginners.

6. **Price Point**

The R380 is **not cheap** it typically costs **$150 $300**, depending on port count and whether the RAID license is included. For basic SATA expansion, a **cheaper SATA RAID card** (e.g., LSI 9207-8i) may suffice.

7. **PCIe 3.0 Bandwidth Limitation**

While PCIe 3.0 x8 provides **8 GT/s bandwidth**, some high-end storage setups (e.g., with **10Gbps SAS or NVMe**) may eventually hit bottlenecks if scaling further.

8. **No Built-in BMC (Baseboard Management Controller)**

Unlike some enterprise-grade cards, the R380 lacks **IPMI/BMC support**, meaning you cannot remotely monitor or manage the card over the network.

9. **Potential Overkill for Small Setups**

If you only have **a few drives** and don t need **high RAID redundancy**, a **SATA RAID card** (e.g., ASMedia-based) may be sufficient and more cost-effective.

10. **No Official Warranty on Some Resellers**

Some third-party sellers may not offer **full ATTO warranty support**, so purchasing from **authorized retailers** is recommended.

---

### **Conclusion**

The **ATTO ExpressSAS R380 Low-Profile** is a **high-quality, enterprise-grade SAS expander** that excels in **high-performance storage environments** where **12Gbps SAS, RAID support, and reliability** are critical. It is an excellent choice for:

- **Enterprise servers** requiring SAS expansion.

- **DIY NAS builds** (TrueNAS, UnRAID, Linux) needing **high throughput**.

- **Workstations** with **SAS SSDs/HDDs** where RAID protection is desired.

- **Systems with limited PCIe slots** (due to low-profile design).

- **Budget-conscious users** (cheaper SATA RAID cards may suffice).

- **Setups needing NVMe support** (requires a separate card).

- **Small-scale storage** where high-end SAS is unnecessary.

- **Users who dislike software configuration** (RAID setup requires some technical knowledge).

If you **need SAS expansion with RAID capabilities, high performance, and reliability**, the R380 is a **solid investment**. If you re on a **tight budget or only need basic SATA RAID**, alternatives like **LSI 9207-8i or ASMedia-based cards** may be more appropriate.

---

### **Final Recommendation**

You need **12Gbps SAS expansion** for **enterprise drives (SSDs/HDDs)**.

You want **optional RAID support** (with license) for redundancy.

Your system has **limited PCIe slots** (low-profile form factor).

You re building a **high-performance NAS or server**.

You only need **SATA drives** (cheaper SATA RAID cards work).

You require **NVMe support** (needs a separate card).

You re on a **strict budget** (other SAS cards may offer similar performance at a lower cost).

You prefer **plug-and-play simplicity** (setup requires some configuration).

- **For SAS RAID:** LSI 9207-8i (cheaper, no RAID license needed).

- **For NVMe SAS:** ASRock Rack or Supermicro SAS/NVMe cards.

- **For Budget SATA RAID:** ASMedia 1061/1062-based cards.

Details:

With its reliable ATTO brand and specific model name, the R380 ensures a seamless high-performance data storage solution for businesses organizations needing dependable RAID system. The ATTO Technology ExpressSAS R380 Low-Profile SAS RAID PCI Express Adapter is a high-quality controller card designed for enterprise networking and servers. This low-profile adapter is specifically designed for SAS network ports and compatible with PCI Express x8 ports, providing fast efficient data storage retrieval a wide range of applications.

part #: r380 prices

• $40.00-$49.95

specifications diskcontrolle:

• brand: Atto
• mpn: R380
• type: Raid Controller Card
• interface bracket: Low Profile
• network ports: Sas
• compatible port: Pci Express X8

seller diskcontrolle:

• city: Norwalk, Connecticut
• # reviews: 1
• rating: 0.0%

payments diskcontrolle:

• wallet: Google-pay
• credit card: Discover
• other

offer diskcontrolle:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: April 11, 2026

returns diskcontrolle:

• policy: No Returns

general diskcontrolle:

• condition: Used
• Enterprise Networking, Servers > Server Components > Disk Controllers/RAID Cards

shipping diskcontrolle:

• class: Economy
• transit: 4-10 Days
• carrier: FedEx
• type: Calculated
• service: FedEx Ground Economy
• cost: $6.90

Atto R380 Is Similar To:

• 0064-pcbx-001 Atto Expresspci Lvd Scsi Pci Controller Card (40% similar) 0064-PCBX-001 Atto express pci UL2D LCD SCSI pci controller card...(December 12th, 2018)
• 0209-pcbx-001 Atto Technology Ultra320 2 (33.9% similar) We serve individual residential, corporate, municipal and government agencies. Standard pricing for ad is ups ground. Removal of void if removed label will warranty. Remains family, as well veteran, owned and operated...(December 18th, 2017)
• Ah627-60002 Atto Hp Dual Scsi U320 Pci-e Hba Controller Card 445009-002 (30.8% similar) Hp U320E SCSI BA dual channel host bus adapter 2CH pci e low profile bracket in good used condition sold as pictured...(August 26th, 2016)
• Esas-r348-bk1 Atto Express Sas R348 Sas Sata X8 Pcie Raid Storage Controller (23% similar) Atto express sas R348 sas satay x8 pci raid storage controller seas R348 BK1 like new, pulled from working environment. 3 available. Technical highlights express sas R348X8 pci host interface user delectable 4 external and 4 internal ports or 8 internal ports in a low profile form factor outstanding...(June 18th, 2016)
• Esas-r348-bk2 Atto Express Sas R348 Sas Sata X8 Pcie Raid Storage Controller (23% similar) 2 available, 2 sold. Technical highlights express sas R348X8 pci host interface user delectable 4 external and 4 internal ports or 8 internal ports in a low profile form factor outstanding performance with up to 3 GB sec per port highly configurable raid 0, 1, 4, 5, 10, 40, 50, and bod raid 40, 50 ...(March 11th, 2016)
• Esas-r680-bk1 Atto Expresssas R680 Sas Raid Controller (46% similar) External ports 6GBTHROUGHPUT in full duplex mode x8 pci 0, sas, satay ii, satay connectivity supports up to 128 end devices data recovery mode windows, Linux mac OS x driver support 512MB memory GUI based configuration utility included items 1x Atto R680 sas card. Host connection sas...(August 10th, 2016)
• Esah-120f-000 Atto Technology 16 Internal Port 12gb S Sas Sata To Pcie 3.0 Host Bus Adapter 603175008286 (44.3% similar) Original packing slip. Atlanta network technologies, inc. The return must be complete and include all accessories, manufacturer documentation manuals, warranty cards, registration information, etc. Host bus adapter 12GBSAS pci express see the manufacturer contact list at the bottom of this page. ...(December 7th, 2016)
• Esah-1280-000 Atto Technology 8 External Port 12gb S Sas Sata To Pcie 3.0 Host Bus Adapter 603175008262 (48% similar) Request rma. That is how we control costs and keep prices are so low. Original intact UPC bar code. There is no human intervention in the process. The return must be complete and include all accessories, manufacturer documentation manuals, warranty cards, registration information, etc. See the ...(July 24th, 2016)
• Esah-12f0-000 Atto Technology 16 External Port 12gb S Sas Sata To Pcie 3.0 Host Bus Adapter 603175008279 (47.7% similar) See the manufacturer's contact list at the bottom of this page. Original intact UPC bar code. That is how we control costs and keep prices are so low. The return must be complete and include all accessories, manufacturer documentation manuals, warranty cards, registration information, etc. To locate...(October 21st, 2016)
• 16-channel Esas-h60f-000 Atto Technology Expresssas H60f Sas Controller 603175007012 (46.2% similar) To locate a service near you, please refer to your product manual. Non returnable products the following products are not accepted for return once opened and used. Original intact UPC bar code. See the manufacturer contact list at the bottom of this page. Atlanta network technologies, inc. The ...(September 30th, 2016)
• Sasx8 V38403 Atto Technology Express 8ch Sas Pcie8 2.0 To 6gb Sata Low-profile Rohs New 603175006992 (48.8% similar) To 6GB satay low profile rhos new product features Atto technology expresssas H680 8 channel sas controller seas H680 hard drive raid controllers controller type sas controller interface pci express x8 drive support 256 x physical...(October 16th, 2015)