Samsung 990 PRO 4TB SSD Review 🚀

Solid State Drives (SSDs) have revolutionized data storage by providing blazing-fast speeds, durability, and efficiency compared to traditional Hard Disk Drives (HDDs). Whether for gaming, professional workloads, or general computing, an SSD enhances performance and reduces loading times dramatically.

Samsung, a global leader in storage technology 🇰🇷, has introduced the Samsung 990 PRO 4TB SSD, a high-performance PCIe 4.0 NVMe drive designed for enthusiasts, gamers, and professionals. But how does it perform? Let’s dive in!


How SSDs Work ⚙️

Unlike HDDs, which rely on spinning platters and mechanical read/write heads, SSDs use flash memory to store data. This eliminates moving parts, making SSDs:
Faster (Data access in milliseconds)
More durable (No mechanical failure)
Energy-efficient (Lower power consumption)

Think of an HDD as a vinyl record that needs a needle to find your song, while an SSD is like a smartphone playlist—instant access!


Types of SSDs 🔄

SSDs come in different forms, each designed for specific needs:

  • SATA SSDs 🖴 (Slower, but still faster than HDDs)
  • NVMe SSDs ⚡ (Much faster, uses PCIe lanes)
  • PCIe Gen 4 SSDs 🚀 (Latest tech, high speed, used in Samsung 990 PRO)

The Samsung 990 PRO 4TB is an M.2 NVMe PCIe 4.0 SSD, meaning it offers top-tier speeds and efficiency.


Key SSD Specifications Explained 📊

Here’s a breakdown of the Samsung 990 PRO 4TB SSD’s key specs:

📖 Interface:

  • Definition: The connection type (SATA, NVMe, PCIe).
  • Importance: Determines speed and compatibility with your system.

🚀 Read Speed:

  • Definition: How fast the SSD can access data.
  • Importance: Higher read speeds mean faster loading of apps, games, and files.

✍️ Write Speed:

  • Definition: How fast the SSD can save data.
  • Importance: Higher write speeds are better for transferring and saving large files.

🧠 NAND Type:

  • Definition: Memory technology used (SLC, MLC, TLC, QLC).
  • Importance: Affects speed, durability, and lifespan of the SSD.

🎛️ Controller:

  • Definition: The processor that manages SSD operations.
  • Importance: Impacts overall performance, efficiency, and stability.

🗄️ DRAM Cache:

  • Definition: Temporary memory for faster data access.
  • Importance: Essential for maintaining high speeds during intensive tasks.

⏳ Endurance (TBW):

  • Definition: How much data can be written over the SSD’s lifetime.
  • Importance: Higher TBW means a longer lifespan and better durability.

⚡ Power Consumption:

  • Definition: How much energy the SSD uses.
  • Importance: Lower power consumption is better for laptops and portable devices.

🔍 Key Takeaways:

  • NVMe SSDs offer much higher speeds than SATA SSDs.
  • Higher TBW means better durability for heavy use.
  • DRAM-equipped SSDs perform better than DRAM-less models.

🏆 Best SSD Choice:
✔️ High-end gaming & professionals: NVMe Gen 4/5 SSDs with DRAM & high TBW 🚀
✔️ General use & budget users: SATA SSDs or NVMe Gen 3 with good endurance 💰

With a massive 4TB capacity, this SSD is perfect for:
✔️ Gamers needing ultra-fast loading times
✔️ Content creators working with 4K/8K video editing
✔️ Professionals requiring high-speed file transfers


NAND Flash Memory Types 🧠

SSDs use NAND Flash, which comes in different types:
1️⃣ SLC (Single-Level Cell) – Fastest, most durable, but expensive
2️⃣ MLC (Multi-Level Cell) – Balanced, used in some high-end SSDs
3️⃣ TLC (Triple-Level Cell) – Used in most consumer SSDs, good balance of speed and cost
4️⃣ QLC (Quad-Level Cell) – More storage per chip but lower durability

🔹 Samsung 990 PRO uses 3-bit TLC V-NAND, ensuring great performance without sacrificing longevity.


SSD Controllers & Their Impact 🎛️

The controller is the “brain” of an SSD, managing data flow, wear leveling, and error correction. Samsung uses its own high-performance in-house controller, optimizing power efficiency and speed.

💡 Imagine the SSD as a highway, and the controller as traffic management—a better controller means smoother, faster traffic flow.


SSD Performance: Read & Write Speeds ⚡

🚀 SATA SSD:

  • Max Read Speed: 550 MB/s
  • Max Write Speed: 520 MB/s
  • Latency: High ❌ (~100μs)

⚠️ NVMe Gen 3:

  • Max Read Speed: 3,500 MB/s
  • Max Write Speed: 3,300 MB/s
  • Latency: Medium ⚠️ (~10μs)

✅ NVMe Gen 4:

  • Max Read Speed: 7,500 MB/s
  • Max Write Speed: 7,000 MB/s
  • Latency: Low ✅ (~5μs)

✅✅ NVMe Gen 5:

  • Max Read Speed: 14,000+ MB/s
  • Max Write Speed: 12,000+ MB/s
  • Latency: Ultra-Low ✅✅ (~1μs)

🔍 What Affects SSD Speeds?

  • Interface Type: NVMe SSDs are much faster than SATA SSDs.
  • NAND Type: TLC, QLC, and SLC memory impact speed & durability.
  • Controller: A powerful controller ensures consistent speeds.
  • Cooling: Overheating can throttle performance.

🏆 Best SSD Choice:
✔️ Gen 4 & Gen 5 NVMe SSDs for high-performance gaming & productivity 🎮🚀
✔️ SATA SSDs for budget-friendly & general use 💰

💡 Samsung 990 PRO leads the race in sequential read/write speeds, making it ideal for high-speed workloads.


Gaming & SSDs: Does It Make a Difference? 🎮

Yes! SSDs like the Samsung 990 PRO significantly reduce game load times and improve system responsiveness.

🔹 HDD load time in Cyberpunk 2077: 55 seconds
🔹 Samsung 990 PRO SSD load time: 8 seconds

For PlayStation 5 users, the Samsung 990 PRO is fully compatible, delivering next-gen gaming performance.


Strengths & Weaknesses ✅❌

Strengths:

✔️ Blazing-fast PCIe 4.0 speeds (up to 7,450 MB/s)
✔️ Large 4TB capacity – Ideal for gamers & professionals
✔️ Samsung’s in-house controller – Optimized for efficiency
✔️ PS5 compatibility – Upgrade your console storage
✔️ Durability (2,400 TBW) – Long-lasting performance
✔️ Energy-efficient – Lower power consumption

Weaknesses:

Expensive compared to budget SSDs
No PCIe 5.0 support (future-proofing concern)


Final Verdict & Recommendation 🏆

The Samsung 990 PRO 4TB SSD is one of the fastest and most reliable SSDs on the market. If you need top-tier performance for gaming, video editing, or workstation tasks, this SSD is a fantastic investment.

Who should buy it?
✔️ Gamers looking for ultra-fast load times
✔️ Content creators handling 4K/8K workflows
✔️ Professionals needing large, high-speed storage

Who should avoid it?
❌ Budget users who don’t need extreme speeds
❌ Users looking for PCIe 5.0 future-proofing

💡 Best Alternative? If you want a cheaper option, the WD Black SN850X is a great alternative.

SSD vs HDD: Which One Should You Choose? ⚔️

When deciding between an SSD and an HDD, consider the following factors:

⚡ SSD (Solid State Drive):

  • Speed: Very Fast (Up to 7,500 MB/s) 🚀
  • Durability: No moving parts, highly durable ✅
  • Power Consumption: Low power usage (Efficient) ✅
  • Capacity: Up to 8TB (Expensive) ❌
  • Noise & Heat: Silent & cool ✅
  • Price: More expensive ❌

💾 HDD (Hard Disk Drive):

  • Speed: Slow (Max ~250 MB/s) 🐢
  • Durability: Mechanical parts can fail ❌
  • Power Consumption: Higher power consumption ❌
  • Capacity: Up to 20TB (Cheaper per TB) ✅
  • Noise & Heat: Noisy & heats up ❌
  • Price: Cheaper ✅

🏆 Best Choice:
✔️ Choose an SSD if you need speed, durability, and efficiency 🚀
✔️ Choose an HDD if you need large storage at a lower price 💰

💡 Verdict: If you need speed, durability, and efficiency, an SSD is the clear winner. However, if you need mass storage at a lower cost, an HDD might still be useful for backups.


10. Power Consumption & Heat Management 🌡️

One of the major improvements in the Samsung 990 PRO 4TB SSD is its power efficiency. Compared to older models, it:
Consumes less power while maintaining high speeds
Produces less heat, reducing the risk of thermal throttling
Includes an improved heat spreader & nickel-coated controller for better cooling

For gamers and professionals using SSDs in high-performance environments, proper cooling (like heatsinks or good airflow) can extend SSD lifespan and prevent performance drops due to heat.


11. Best SSD Brands & Models 🏆

Here are some of the best SSD brands and how they compare:

🇰🇷 Samsung 990 PRO:

  • Max Read Speed: 7,450 MB/s
  • Max Write Speed: 6,900 MB/s
  • Key Feature: Best overall performance 🚀

🇺🇸 Western Digital – WD Black SN850X:

  • Max Read Speed: 7,300 MB/s
  • Max Write Speed: 6,600 MB/s
  • Key Feature: Excellent gaming speeds 🎮

🇺🇸 Seagate – FireCuda 530:

  • Max Read Speed: 7,300 MB/s
  • Max Write Speed: 6,900 MB/s
  • Key Feature: Best endurance (5,100 TBW) 🔥

🇺🇸 Kingston – KC3000:

  • Max Read Speed: 7,000 MB/s
  • Max Write Speed: 7,000 MB/s
  • Key Feature: High speed at lower cost 💰

🇺🇸 Corsair – MP600 PRO XT:

  • Max Read Speed: 7,100 MB/s
  • Max Write Speed: 6,800 MB/s
  • Key Feature: Workstation reliability 🏢

🏆 Best SSD Brand:
✔️ Samsung – Industry leader in speed & reliability 🚀
✔️ Seagate – Best for durability & long lifespan 🔥


12. SSD Maintenance & Longevity Tips 🔧

To keep your SSD performing optimally, follow these maintenance tips:

✔️ Enable TRIM – Ensures faster performance and extends lifespan
✔️ Avoid filling SSD to 100% – Keep at least 10-20% free space for optimal speed
✔️ Keep firmware updated – Manufacturers release updates to fix bugs & improve performance
✔️ Monitor SSD health – Use tools like Samsung Magician to check drive health and lifespan
✔️ Avoid excessive writes – Constant overwriting can wear out NAND cells faster


13. Competition: Comparing 5 High-End SSDs ⚔️

Let’s see how the Samsung 990 PRO 4TB stacks up against competitors:

🚀 Samsung 990 PRO 4TB:

  • Read Speed: 7,450 MB/s
  • Write Speed: 6,900 MB/s
  • TBW (Lifespan): 2,400 TBW
  • Best For: Gaming & professional use 🎮

⚡ WD Black SN850X:

  • Read Speed: 7,300 MB/s
  • Write Speed: 6,600 MB/s
  • TBW (Lifespan): 2,000 TBW
  • Best For: Gaming & general performance

💰 Kingston KC3000:

  • Read Speed: 7,000 MB/s
  • Write Speed: 7,000 MB/s
  • TBW (Lifespan): 1,600 TBW
  • Best For: Budget high-speed SSD 💰

📊 Seagate FireCuda 530:

  • Read Speed: 7,300 MB/s
  • Write Speed: 6,900 MB/s
  • TBW (Lifespan): 5,100 TBW
  • Best For: High endurance workloads 📊

🏢 Corsair MP600 PRO XT:

  • Read Speed: 7,100 MB/s
  • Write Speed: 6,800 MB/s
  • TBW (Lifespan): 3,000 TBW
  • Best For: Workstation & reliability

🏆 Winner: Samsung 990 PRO 4TB for best all-around performance & Seagate FireCuda 530 for longest endurance.


14. Common SSD Issues & Troubleshooting 🛠️

Even high-end SSDs can run into issues. Here’s how to fix them:

PC not detecting SSD?
✔️ Ensure it’s properly connected in the M.2 slot
✔️ Check BIOS settings (Enable NVMe support)

Slow performance?
✔️ Check free space (leave at least 10-20%)
✔️ Update firmware & drivers

Overheating?
✔️ Install a heatsink or improve airflow in your case


15. Future of SSD Technology 🔮

SSD technology is evolving rapidly! Here’s what to expect:

🚀 PCIe 5.0 SSDs – Even faster speeds (over 14,000 MB/s!)
🔋 Better power efficiency – Lower power draw with newer NAND tech
📦 Higher capacities – 8TB and even 16TB SSDs for consumers
💰 More affordable prices – As NAND production improves, SSDs will become cheaper

💡 Should you wait for PCIe 5.0? If you need an SSD now, Samsung 990 PRO is still one of the best choices today.


16. Final Recommendation ✅

The Samsung 990 PRO 4TB SSD is an outstanding PCIe 4.0 NVMe drive with industry-leading speeds, low power consumption, and excellent reliability.

✔️ If you need the best performance for gaming, content creation, or professional workloads, this SSD is a must-buy.
❌ If you’re on a budget or don’t need extreme speeds, a cheaper PCIe 3.0 SSD might be a better choice.

🔥 Final Score: 9.5/10One of the best SSDs in 2024!


💬 Do You Have Another Opinion? Leave a Comment!

What do you think of the Samsung 990 PRO 4TB? Would you buy it or choose another SSD? Let us know in the comments below! ⬇️

JAN SAIFALDIN
JAN SAIFALDIN

Jan is a truck driver with an unstoppable curiosity for new products. He tests and reviews the latest gadgets across various categories.

Articles: 76

Leave a Reply

Your email address will not be published. Required fields are marked *