The NVMe Effect: Why a 9th Gen i7 CPU Is Still a Powerhouse Today

Update on Nov. 8, 2025, 6:24 p.m.

For any business or home office user, the cycle is frustratingly familiar. The desktop computer, purchased just a few years ago, feels sluggish, unresponsive, and slow to boot. The immediate conclusion is often, “I need a new computer; the processor must be too old.”

But what if the processor isn’t the problem?

For the better part of a decade, for most office and productivity tasks, CPU innovation has outpaced real-world needs. The real culprit, the silent anchor dragging down your entire system’s performance, has been the storage drive. We are in the era of the I/O bottleneck, and understanding it is the key to unlocking immense value from the refurbished PC market.

This isn’t just theory; it’s a practical strategy. To understand it, we’ll dissect a perfect case study: a Renewed Dell OptiPlex 7070 Small Form Factor (SFF) desktop, specifically a configuration featuring an Intel Core i7-9700 CPU, 32GB of RAM, and, most critically, a New 1TB NVMe SSD.

A compact, black Dell OptiPlex 7070 SFF desktop tower, shown standing vertically.

The “Good Enough” CPU: The Case for the Core i7-9700

The heart of this machine is the Intel Core i7-9700, a processor from Intel’s 9th generation, released around 2018-2019. In tech terms, this is “mature.” So why is it still so compelling?

  • 8 Physical Cores: The i7-9700 features 8 physical cores. This is its most important spec. For a modern multitasking environment—juggling dozens of browser tabs, Microsoft Teams, Slack, Excel, and Word simultaneously—core count is king. It allows the PC to dedicate resources to many different tasks at once without stuttering.
  • High Clock Speed: With a base speed of 3.0 GHz and a boost up to 4.70 GHz, the single-thread performance is still exceptionally fast, making the entire system feel snappy and responsive.
  • The 8-Thread Anomaly: A unique quirk of the 9th-gen i7-9700 is its 8-core, 8-thread design (lacking the Hyper-Threading of its i9 sibling or modern i7s). While this was a controversial product decision at its launch, for 99% of office workloads, it makes no practical difference.

A CPU like this has been “bottlenecked” for its entire life. It has spent years waiting for a slow hard drive or even a first-generation SATA SSD to feed it data. It has never been allowed to run at its full potential in a real-world office setting.

The Magic Bullet: Understanding the NVMe SSD

This brings us to the single most important component in this entire build: the New 1TB NVMe M.2 SSD. This is the “magic bullet” that makes the 5-year-old i7 feel brand new.

To understand why, let’s look at the evolution of storage:

  1. Hard Disk Drives (HDD): The slowest component. A physical, spinning disk. Booting, opening apps, or searching for files is painfully slow because a mechanical arm has to find the data.
  2. SATA SSD: The first revolution. No moving parts, dramatically faster. But it was built to use the old SATA “roadway,” which has a hard speed limit (approx. 550 MB/s). This was a huge leap, but the “road” itself was already a bottleneck.
  3. NVMe M.2 SSD: The second revolution. NVMe (Non-Volatile Memory Express) is a protocol that bypasses the old SATA road entirely. It connects the SSD directly to the CPU via the PCIe (PCI Express) bus—the same multi-lane “superhighway” used by high-performance graphics cards.

The Dell 7070’s M.2 slot, supporting an NVMe drive, is the key that unlocks the i7-9700’s potential. The CPU no longer has to wait. * Windows 11 Pro boots in seconds. * Huge Excel files or client databases open instantly. * The system can handle 32GB of RAM and swap data without a flicker of lag.

The “New” part of that description is also vital. A refurbisher has taken this enterprise-grade chassis, thrown out the one component that ages poorly (the storage drive), and replaced it with a brand-new, high-performance part.

An angled view of the Dell OptiPlex 7070 SFF, highlighting its compact chassis.

The Supporting Cast: RAM, Graphics, and SFF Design

The other components in this build are perfectly chosen to support this CPU/SSD pairing.

32GB of DDR4 RAM: In 2025, 16GB is the comfortable minimum. 32GB is the professional standard. Modern applications are memory-hungry. Web browsers, collaboration tools like Teams, and creative apps all consume gigabytes of RAM. 32GB ensures you have ample “workbench space” and the system never has to slow down to write to the (already fast) SSD. This specific OptiPlex has 4 memory slots, offering a clear path for upgrades if needed.

Integrated Intel UHD 630 Graphics: Let’s be clear: this is not a gaming PC. The Intel UHD 630 is the integrated graphics built into the i7-9700. Its purpose is not to render 3D worlds but to serve a business user. Its key capability? Dual 4K Display Support. The OptiPlex 7070 SFF comes with two DisplayPort outputs, allowing you to run two 4K@60Hz monitors. For pure productivity, screen real-estate is more valuable than 3D power, and in this, the UHD 630 delivers perfectly.

Small Form Factor (SFF) Chassis: Enterprise desktops are built to last and to fit into tight spaces. The SFF design is compact, durable, and fits neatly on or under any office desk, which is a key requirement for modern, clean workspaces.

Strategic Upgrades (WiFi 6E): The product listing also mentions a built-in AX210 WiFi 6E card. This is another brilliant, low-cost upgrade by the refurbisher. The original 2018 machine would have had, at best, WiFi 5. By adding a modern WiFi 6E card, the refurbisher has given this PC access to the least-congested 6 GHz wireless band, ensuring fast, reliable connectivity—another modern bottleneck solved.

A rear view of the Dell OptiPlex 7070 SFF, showing the dual DisplayPort outputs, USB ports, and other I/O.

Conclusion: The New Blueprint for Performance Value

This specific Dell OptiPlex 7070 SFF is a perfect case study for a simple thesis: the “Renewed PC” market, when approached correctly, offers the best performance-per-dollar in computing today.

The blueprint is clear:
1. Start with a high-quality, off-lease enterprise chassis (like an OptiPlex, ThinkCentre, or EliteDesk).
2. Ensure it has a powerful, multi-core CPU from the last 5-7 years (like an 8th/9th Gen i7).
3. Upgrade the RAM to a modern standard (32GB is the sweet spot).
4. CRITICALLY: Replace the original storage with a new NVMe SSD.

This combination unlocks a machine that feels, for all intents and purposes, as fast as a brand-new computer for office and productivity work, but at a fraction of the cost. The i7-9700 was never “slow”; it was just waiting for a storage system that could keep up. The “NVMe Effect” is what bridges that gap, turning older enterprise-grade hardware into a modern-day workhorse.