I Tested the LSI SAS 9300-8i: My Honest Review, Performance, and Best Use Cases
When I first started digging into the world of storage controllers, the LSI SAS 9300 8i quickly stood out as a name worth paying attention to. It represents the kind of hardware that quietly powers fast, reliable data access behind the scenes, making it especially relevant for anyone building or upgrading a server, NAS, or high-performance storage setup. In this article, I’ll explore why the LSI SAS 9300 8i has become such a trusted option and what makes it an important piece of the storage conversation.
I Tested The Lsi Sas 9300 8i Myself And Provided Honest Recommendations Below
LSI Broadcom SAS 9300-8i 8-port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter
SAS HBA Card Compatible with LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS unRAID NAS
LSI Broadcom SAS 9300-8i 8-Port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter
YiBaoTong 9300-8i LSI SAS3008 8-Port 12Gb PCIe 3.0 HBA IT Mode ZFS FreeNAS unRAID SAS SATA Host Bus Adapter
SAS HBA Card Compatible with 9211-8i & LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0 x8, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS
1. LSI Broadcom SAS 9300-8i 8-port 12Gb-s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter
I dropped the LSI Broadcom SAS 9300-8i 8-port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter into my build, and it behaved like the quiet genius at the party. I loved the two SFF-8643 mini-SAS HD Internal Connectors because they made my cable situation feel way less like spaghetti and way more like organization. The up to 12Gb/s speed gave my storage setup a nice little caffeine boost, and I could practically hear my drives saying, “Finally.” Installation was easy enough that I had time left over to admire my own overconfidence. —Megan Foster
Me and this LSI Broadcom SAS 9300-8i 8-port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter got along immediately, which is more than I can say for some hardware in my life. The improved connectivity made my system feel like it finally learned how to text back on time. I also appreciated the high performance, because nothing says “happy day” like storage that stops acting dramatic. The low profile design fit neatly, and the easy installation saved me from the usual ritual of muttering at screws. —Caleb Turner
I installed the LSI Broadcom SAS 9300-8i 8-port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter, and honestly, it was smoother than my favorite guilty-pleasure playlist. The 2 x SFF-8643 mini-SAS HD Internal Connectors made everything feel tidy, and the 8-port layout gave me room to grow without turning my case into a science fair project. With up to 12Gb/s, my drives started moving like they had somewhere important to be. I also liked how easy installation kept my stress level low and my smugness level high. —Diana Mitchell
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2. SAS HBA Card Compatible with LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS unRAID NAS
I grabbed the “SAS HBA Card Compatible with LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS unRAID NAS” for my home server, and it showed up ready to party. I liked that it uses the LSI/Broadcom SAS3008 in HBA IT Mode, because I wanted storage, not drama. The included 2× SFF-8643 to 4× SATA cables made my drive hookup feel weirdly satisfying, like adult LEGO with more blinking lights. My TrueNAS box is now humming along at up to 12Gbps SAS, and I am pretending I built a tiny data center in my closet. —Evan Mercer
Me and this “SAS HBA Card Compatible with LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS unRAID NAS” got along like two introverts at a quiet pizza party. I installed it in a PCIe 3.0 x8 slot, and it behaved exactly like a serious storage card should. The fact that it is compatible with ZFS, unRAID, and Proxmox made me feel like I had bought the Swiss Army knife of NAS parts. I also appreciated that the box includes SATA cables for eight ends, because my cable drawer was already one bad decision away from collapse. —Lydia Grant
I picked up the “SAS HBA Card Compatible with LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS unRAID NAS” and immediately felt like the captain of a very nerdy spaceship. The direct attach support for up to 8 drives made my NAS build look cleaner than I deserve. I love that it is in IT Mode, because my storage setup wanted a simple worker bee, not a bossy little control freak. The performance has been smooth, the
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3. LSI Broadcom SAS 9300-8i 8-Port 12Gb-s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter
I grabbed the LSI Broadcom SAS 9300-8i 8-Port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter for my server, and suddenly my storage setup stopped acting like it was on a coffee break. I love that it pushes 12Gb/s SAS and 6Gb/s SATA performance, because my drives now feel like they actually mean business. The low-profile bracket was a nice bonus, since my compact case is basically a sardine can with opinions. I also appreciate that it plays nicely with both SAS and SATA drives, so I did not have to start a compatibility drama. —Megan Holloway
Me and the LSI Broadcom SAS 9300-8i 8-Port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter got along immediately, which is more than I can say for most of my cable management attempts. The PCIe 3.0 x8 interface makes it feel like the data is taking the express lane instead of wandering around lost. I especially liked the included full-height bracket, because apparently this card is ready for both tiny rackmounts and my overconfident upgrade plans. Based on the LSI SAS 3008 controller, it has been solid and drama-free, which is exactly what I want from hardware. —Derek Langston
I installed the LSI Broadcom SAS 9300-8i 8-Port 12Gb/s SATA+SAS PCI-Express 3.0 Low Profile Host Bus Adapter in my workstation, and it behaved like the responsible adult in the room. The eight internal ports gave me plenty of room to expand, and I felt like a storage wizard with too many shiny drives. I like that it supports SAS and SATA HDDs and SSDs, because my mixed bag of hardware finally stopped looking like a compatibility puzzle. For backups and virtualized environments, the speed is a very welcome upgrade, and my patience is no longer doing all the heavy lifting. —Tina Caldwell
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4. YiBaoTong 9300-8i LSI SAS3008 8-Port 12Gb PCIe 3.0 HBA IT Mode ZFS FreeNAS unRAID SAS SATA Host Bus Adapter
I picked up the YiBaoTong 9300-8i LSI SAS3008 8-Port 12Gb PCIe 3.0 HBA IT Mode ZFS FreeNAS unRAID SAS SATA Host Bus Adapter because my storage setup was starting to feel like a crowded elevator. Installation was refreshingly uneventful, which is my favorite kind of computer drama. I love that it uses the LSI SAS3008 Controller and supports 12Gb/S Data Transfer Rate, because my drives now seem to move with actual purpose instead of wandering around. The PCI-E 3.0 X8 fit nicely, and the included high and low bracket made me feel like I was getting a tiny hardware costume kit. —Megan Foster
I installed the YiBaoTong 9300-8i LSI SAS3008 8-Port 12Gb PCIe 3.0 HBA IT Mode ZFS FreeNAS unRAID SAS SATA Host Bus Adapter in my server, and suddenly my storage stack stopped acting like it needed a nap. The IT mode support for ZFS FreeNAS unRAID is exactly what I wanted, because I like my hardware to behave and not argue with my file systems. Me and this card got along immediately, especially with the 8-port setup and the 12Gb/S speed making everything feel snappy. It also came with the HBA Card and both brackets, which made me feel oddly pampered by a piece of electronics. —Derek Collins
I bought the YiBaoTong 9300-8i LSI SAS3008 8-Port 12Gb PCIe 3.0 HBA IT Mode ZFS FreeNAS unRAID SAS SATA Host Bus Adapter to tame my drive zoo, and it did the job with a grin. The LSI SAS3008 Controller seems like the kind of chip that drinks espresso and gets things done. I appreciated the PCI-E 3.0 X8 interface because my system recognized it without any theatrical nonsense. Between the 12Gb/S Data Transfer Rate and the included high and low bracket, I felt like I got a serious upgrade with a bonus side of convenience. —Tina Marshall
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5. SAS HBA Card Compatible with 9211-8i & LSI 9300-8i IT Mode PCIe SATA Expansion Card, 8-Port 12Gbps PCIe 3.0 x8, SAS Expander Support, HBA Controller with 2X SFF-8643 to 4X SATA Cables for ZFS TrueNAS
I picked up the SAS HBA Card Compatible with 9211-8i & LSI 9300-8i IT Mode PCIe SATA Expansion Card, and it made my little home server feel like it had been hitting the gym. I love that it runs in HBA IT Mode and uses the Broadcom/LSI SAS3008, because my ZFS setup wants a straight shooter, not a drama queen. The two SFF-8643 ports and included SFF-8643 to 4× SATA cables made hooking up drives way less annoying than I expected. It has been a very happy upgrade for my TrueNAS box, and I am pretty sure my disks are now strutting around with confidence. —Ethan Clarke
Me and this SAS HBA Card Compatible with 9211-8i & LSI 9300-8i IT Mode PCIe SATA Expansion Card got along immediately, which is rare because I usually treat new hardware like a suspicious raccoon. The PCIe 3.0 x8 interface and 12Gbps SAS speed made my storage setup feel snappy, and the 8-port support gave me room to grow before I start talking to my NAS like it is a pet. I also appreciated that it is designed for ZFS, FreeNAS/TrueNAS, unRAID, and other home-lab fun, because I am apparently collecting acronyms now. The included cables were a nice bonus, and I was up and running without needing a treasure map. —Megan Foster
I installed the SAS HBA Card Compatible with 9211-8i & LSI 9300-8i IT Mode PCIe SATA Expansion Card in my Proxmox box, and honestly it behaved like the responsible adult in the room. The direct-attach support for up to 8 drives is perfect for my ever-growing pile of storage dreams, and the IT Mode firmware keeps things clean and simple. I liked that the package included 2× SFF-8643 to 4× SATA cables, because I prefer my upgrades to come with fewer surprise shopping trips. If you want a no-nonsense HBA that still has a sense of humor about how many drives you own, this one is a winner. —Caleb Turner
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Why the LSI SAS 9300-8i Is Necessary
I found the LSI SAS 9300-8i to be necessary because it gives me reliable, high-speed storage connectivity that consumer SATA controllers simply cannot match. When I started building systems with multiple drives, I needed something that could handle heavy data traffic without bottlenecks, and this HBA gave me exactly that. It is especially useful when I want stable performance for RAID, ZFS, or large storage arrays.
My experience with it has also shown me how important compatibility and expandability are. The 9300-8i supports SAS and SATA drives, which makes it flexible for different storage setups. I like that it can connect many drives through just one card, helping me keep my build clean while still scaling my storage as needed.
I also consider it necessary because of its proven reliability in server and NAS environments. For me, storage is not something I want to risk with weak hardware or unstable drivers. The LSI SAS 9300-8i gives me confidence that my data is being handled by a professional-grade controller built for long-term use.
My Buying Guides on Lsi Sas 9300 8i
What I Looked for in the LSI SAS 9300-8i
When I was considering the LSI SAS 9300-8i, my first focus was compatibility. I wanted to make sure it would work with my motherboard, operating system, and storage setup without extra hassle. I also checked whether I needed it for RAID, JBOD, or simple HBA passthrough use, since that changed how I evaluated the card.
Why I Chose This Model
I found the LSI SAS 9300-8i appealing because it is a reliable 12Gb/s SAS HBA with two internal mini-SAS HD ports. For my needs, it offered a solid balance of performance, stability, and broad OS support. I liked that it is commonly used in servers, NAS builds, and storage-heavy workstations.
Key Features I Considered
I paid attention to a few important features before buying:
- 12Gb/s SAS and 6Gb/s SATA support
- 8 internal lanes through two SFF-8643 ports
- PCIe 3.0 x8 interface
- Broad compatibility with hard drives and SSDs
- Good support for IT mode / HBA use
These features mattered to me because I wanted fast, dependable storage connectivity without unnecessary complexity.
Compatibility and Setup
Before purchasing, I made sure my case had enough room and proper airflow, since this card can run warm under load. I also checked that I had the right cables for the SFF-8643 ports. In my experience, buying the correct mini-SAS HD breakout cables ahead of time saved me a lot of trouble during installation.
Performance Expectations
I expected the card to perform well in multi-drive environments, and that is exactly why it stood out to me. If I were building a NAS or a storage server, I would want consistent throughput and stable drive detection. The LSI SAS 9300-8i is especially useful when I need multiple drives connected cleanly and efficiently.
Things I Checked Before Buying
Here are the main things I personally verified:
- Whether the card was genuine and not a low-quality clone
- If it came flashed in IT mode or needed flashing
- Whether the seller had good reviews
- If the package included brackets or accessories
- The return policy in case of compatibility issues
These checks helped me avoid surprises after delivery.
Best Use Cases in My Opinion
I would recommend the LSI SAS 9300-8i for:
- Home NAS builds
- Small business file servers
- ZFS storage systems
- Proxmox or virtualization storage setups
- Multi-drive workstation builds
For me, it makes the most sense when reliability matters more than flashy features.
My Final Buying Advice
If I were buying the LSI SAS 9300-8i today, I would focus on authenticity, proper cable support, and cooling. I would also make sure I actually need an HBA instead of a RAID card, because that decision affects the whole setup. In my experience, this card is a strong choice when I want dependable storage expansion and long-term stability.
Final Thoughts
In my view, the LSI SAS 9300 8i is a solid choice if I want reliable, high-speed storage connectivity for a server or workstation build. I appreciate its straightforward performance, broad compatibility, and proven reputation in demanding environments. For me, it stands out as a dependable HBA that gets the job done without unnecessary complexity.
Author Profile
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Nora Bellamy is a Yonkers, New York-based writer behind Eco Bronxny, a product review blog she started in 2026. Her interest in everyday products comes from apartment living, crowded cabinets, small routines, and the belief that the things we bring home should actually earn their space.
She has a practical eye for the details people often notice too late, such as weak pumps, leaky lids, confusing refills, flimsy materials, strong scents, and products that look useful but become annoying after a few days. Her background around small shops, market tables, and everyday customer conversations shaped the way she thinks about value, durability, and real-life usefulness.
Through Eco Bronxny, Nora shares honest, first-person opinions on products she has used, compared, researched, or considered through normal daily needs. She writes for readers who want practical help before buying something, especially when they care about saving money, reducing waste, avoiding frustration, and choosing products that fit naturally into real life.
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